This is a routine ofcustom for students of Japan. This is a custom for students of Japan.

This is a routine of students of Japan. This is a routine of students of Japan.

This is a ritual for the students of Japan.

So she had no choice but to buy thea headset microphone. So she had no choice but to buy a headset microphone.

Muscles need to be trained. Muscles need to be trained.

Muscles need to be trained. Muscles need to be trained.

I am working at an elementary school as an afterschool activity teacher. I am working at an elementary school as an afterschool activity teacher.

I am working at an elementary school as an after school activity teacher. I am working at an elementary school as an after school activity teacher.

I am working at an elementary school as an afterschool activity teacher. I am working at an elementary school as an afterschool activity teacher.

I am working at an elementary school as an afterschool activity teacher. I am working at an elementary school as an afterschool activity teacher.

Every April we experience a personal change. Every April we experience a personal change.

Do you maybe mean 'personnel', meaning 'staff'?

Every April, we experience a personal change. Every April, we experience a personal change.

Every April we experience a personanel change. Every April we experience a personnel change.

Another option: Every April we get new staff.

To my surprise, she had a headset microphone while she spokefor speaking to children. To my surprise, she had a headset microphone for speaking to children.

To my surprise, she haused a headset microphone while she spoke toen speaking to the children. To my surprise, she used a headset microphone when speaking to the children.

To my surprise, she haused a headset microphone while she spoke to children. To my surprise, she used a headset microphone while she spoke to children.

To my surprise, she had a headset microphone while she spoke to children. To my surprise, she had a headset microphone while she spoke to children.

This is correct, but another option: To my surprise, she used a headset microphone with her kids.

We always have to speak loudly forbecause kids can be noisy kids. We always have to speak loudly because kids can be noisy.

Especially, during gather and line-up time. Especially during gather and line-up time.

No comma needed here :)

Especially, during gather and line-up timthe time where students have to gather and get in line. Especially during the time where students have to gather and get in line.

Especially, during gather and line-up time. Especially during gather and line-up time.

Especially, during gather and line-up time. Especially, during gather and line-up time.

Before we start studying, we lethave them stand up, pay attention, bow, then take a seat. Before we start studying, we have them stand up, pay attention, bow, then take a seat.

Before we start studying, we let themeach lesson begins, students are instructed to stand up, pay attention, bow, then take a seat. Before each lesson begins, students are instructed to stand up, pay attention, bow, then take a seat.

Before weclass start studying, we let thems, the students stand up, psay "attention," do a customary bow, and then take atheir seats. Before class starts, the students stand up, say "attention," do a customary bow, and then take their seats.

It mustDuring this time, every instruction needs to say a word verybe said louderly. During this time, every instruction needs to be said loudly.

It mustYou need to say a wordpeak very louderly. You need to speak very loudly.

ItYou must need to say athe word very louderly. You must say the word loudly.

During those years, she didn’t use her voice so much since she didn’t have a partner to talk each otherto when her kids grewwere growing up. During those years, she didn’t use her voice so much since she didn’t have a partner to talk to when her kids were growing up.

During those years, she didn’t use her voice so much since she didn’t have a partner to talk each othernyone at home to talk to when her kids grew up. During those years, she didn’t use her voice much since she didn’t have anyone at home to talk to when her kids grew up.

During those years, she didn’t use her voice so much since she didn’t have a partner to talk each other whento after her kids grew up. During those years, she didn’t use her voice so much since she didn’t have a partner to talk to after her kids grew up.

Eventually, ther vocal cords started shrinking day by day. Eventually, her vocal cords started shrinking day by day.

However, she started to work due to ther divorce. However, she started to work due to her divorce.

However, she started to work due to tafter her divorce. However, she started to work after her divorce.

However, she started to work due to thebecause she got divorced. However, she started to work because she got divorced.

In my case, I originnaturally have a clear and loud voice. In my case, I naturally have a clear and loud voice.

In my case, I originnaturally have a clear and loud voice. In my case, I naturally have a clear and loud voice.

She said she had been housewife for 30 years because her husband was an airplane engineer who earned a lot of money. She said she had been housewife for 30 years because her husband was an airplane engineer who earned a lot of money.

She said she had been housewife for 30 years because her husband was an airplane engineer who earned a lot of money. She said she had been housewife for 30 years because her husband was an airplane engineer who earned a lot of money.

She said she had been a housewife for 30 years because her husband was an airplane engineer who earned a lot of money. She said she had been a housewife for 30 years because her husband was an airplane engineer who earned a lot of money.

She said she had been housewife for 30 years because her husband was an airplane engineer who earned a lot of money. She said she had been housewife for 30 years because her husband was an airplane engineer who earned a lot of money.

After a while, she got used to the work, and fortunately her voice came back. After a while, she got used to the work, and fortunately her voice came back.

After a while, she got used to her work, and fortunately her voice came back. After a while, she got used to her work, and fortunately her voice came back.

I never have thought that vocal cold is onrds are a type of a muscle. I never have thought that vocal cords are a type of muscle.

You can also say 'I had never considered..', which sounds more natural!

I never have thought that the vocal colrd is ona type of a muscle. I never have thought that the vocal cord is a type of muscle.

I never would have thought that the vocal colrd is onea kind of a muscle. I never would have thought that the vocal cord is a kind of muscle.

I never have thought that the vocal cold is ones are part of a muscle. I never have thought that the vocal colds are part of a muscle.

If we don’t use any muscles, it would bethey weaken easily. If we don’t use any muscles, they weaken easily.

If we don’t use anythe muscles, it would be weaken easily. If we don’t use the muscles, it would weaken easily.

If we don’t use any muscles, it would be weakens easily. If we don’t use a muscle, it weakens easily.

If we don’t use anyour muscles, it would be weakethey can easily weaken. If we don’t use our muscles, they can easily weaken.

The vocal cords are the same. The vocal cords are the same.

But the eventdivorce was not bad thing for her but, and instead was a rather good thing. But the divorce was not bad thing for her, and instead was a rather good thing.

But the event was not a bad thing for her but rather good thing. But the event was not a bad thing for her but rather good thing.

What I leaned from this, there is nothing wasted our is that not even one parts of our body even only one thingis a waste. What I leaned from this is that not even one part of our body is a waste.

What I leaned from this, there is nothing wasted our is that every parts of our body even only one thingis important. What I leaned from this is that every part of our body is important.

What I leaned from this, was that there is nothn't a single wasted our parts of body even only one thingour bodies. What I leaned from this was that there isn't a single wasted part of our bodies.

What I learned from this, there is nothing wasted our parts of body even only one thing. What I learned from this, there is nothing wasted our parts of body even only one thing.

Did you mean "learned" or "gleaned" ? ^^