In the old days, horses and cabs wentre slow. In the old days, horses and cabs were slow.

In those old days, horses and cabs wentmoved slow.ly. In those old days, horses and cabs moved slowly.

Letters from the post offices arrived late. Letters from the post offices arrived late.

OPTON A: Letters from the post office arrive late. OPTON B: Letters from post offices arrive late. OPTON A: Letters from the post office arrive late. OPTON B: Letters from post offices arrive late.

语法：“post office”这个词现在可以用作可数名词，也可以用作不可数名词。

Letters from the post offices arrive latewere delivered slowly. Letters from the post offices were delivered slowly.

Perhaps they were not late, so much as slow. People expected them to be slow!

Computers, Internet, and Artificial Intelligence have made greatly influences ond our lifedaily lives. Computers, Internet, and Artificial Intelligence have greatly influenced our daily lives.

Computer, Is the internet, and Artificial Intelligence have made great influences on our life. Computer,s the internet, and Artificial Intelligence have made great influences on our life.

The internet is so commonplace now that it's not usually written with a capital I

OPTION A: Computers, the Internet, and Aartificial Iintelligence have mhade a great influence on our lives. OPTION B: Computers, the net, and AI have had huge impacts on our lifeves. OPTION A: Computers, the Internet, and artificial intelligence have had a great influence on our lives. OPTION B: Computers, the net, and AI have had huge impacts on our lives.

Many other wordings are also possible.

Computer, the Internet, and Artificial Intelligence have made greaall had a significant influences on our life. Computer, the Internet, and Artificial Intelligence have all had a significant influence on our life.

I changed it to a more native phrase.

To follow the trend, or even to ride the wave, we need to grabunderstand the newest knowledgetech (technology), to learn fast and to excel. To follow the trend, or even to ride the wave, we need to understand the newest tech (technology), to learn fast and to excel.

To follow these trends, or even to ride theto keep up with emerging waves, we need to graabsorb the newest knowledge, and to learn fast and to excel.strive for excellence. To follow these trends, or to keep up with emerging waves, we need to absorb the newest knowledge and to learn fast and strive for excellence.

To follow the trend, or even to ride the wave, we need to grab the newest knowledge, to learn fast and to excel. To follow the trend, or even to ride the wave, we need to grab the newest knowledge, to learn fast and excel.

Personally i think the flow is better without the final "to".

我的猜测：It seems that everything just goes like a train that will never stopas if the pace of technological change is like a non-stop train. 我的猜测：It seems as if the pace of technological change is like a non-stop train.

It seems that everything just goeskeeps going like a train that will never stop. It seems that everything keeps going like a train that will never stop.

People are eager to know what will happened. People are eager to know what will happen.

PMany people are eager to know what happenedthe latest technological changes. Many people are eager to know the latest technological changes.

Perhaps this age of the people? And perhaps the culture? In fact, it is almost impossible to keep up-to-date with *all* technological fields: most specialize in one or two fields.

People are always eager to know what happened. People are always eager to know what happened.

It sounds nice to have the always/never contrast with this and the next sentence.

People never leaveOPTION A: Most people I know never can't live without their cell phones. OPTION B: The majority of people I know seem to be "married" to their cell phones. OPTION A: Most people I know never can't live without their cell phones. OPTION B: The majority of people I know seem to be "married" to their cell phones.

W更自然的是：Imagine what life was like before the First Industrial Revolution had never taken place?was like! 更自然的是：Imagine what life was like before the First Industrial Revolution was like!

也可能：Imagine how most people live First Industrial Revolution took place!

One's life wais so short, that he. He should treasures what he possesses. One's life is so short. He should treasure what he possesses.

One's life was so short, that he treasures what he possessesAt that time, life spans tended to be short, that and vast majority people lived in poverty. At that time, life spans tended to be short, that and vast majority people lived in poverty.

One's life was so short, that he treasuresd what he possesses. One's life was so short, that he treasured what he possesses.