It is a day for family reunions. It is a day for family reunions.

It is a day for family reunions. It is a day for family reunions.

In general, there are more than one family reunions happening on this day, that is why I changed it to plural form.

It is a day for family reunions. It is a day for family reunions.

My uncle went (came?) home yesterday. My uncle went (came?) home yesterday.

“Came” and “went” are used similarly to 来 and 去 in Chinese. “Went” describes movement AWAY from you. “He went home” means he left you and went to his home. If you were already at home and he joined you there, use “came”: “My uncle came home.”

My uncle wentcame home yesterday. My uncle came home yesterday.

Today he took me to thea country town and he bought me a lot of my favourite snacks. Today he took me to a country town and bought me a lot of my favourite snacks.

Because of your use of “a fancy to…” in the below sentence, I will be correcting as if you are aiming for a British dialect, which we would spell it as favourite.

Today he took me to the county town and he bought me a lot of my favorite snacks. Today he took me to the county town and bought me a lot of my favorite snacks.

Today - I am assuming this is from another time (since two sentences ago, he went home yesterday)

Today he took me to the county townseat and he bought me a lot of my favorite snacks. Today he took me to the county seat and he bought me a lot of my favorite snacks.

The “county seat” is the main town in the county, where the county government offices are located.

Today he took me to the county town and he bought me a lot of my favorite snacks. Today he took me to the county town and bought me a lot of my favorite snacks.

or Today he took me to the county town to buy me a lot of my favorite snacks.

On the way shoppingto the shops I took a fancy to a particular bag. On the way to the shops I took a fancy to a particular bag.

On the way shopping I took a fancy to a bag. On the way shopping I took a fancy to a bag.

or: While I was shopping, a bag caught my eye.

On the wayWhile we were shopping, I took a fancy to a bag. While we were shopping, I took a fancy to a bag.

or While we were shopping, a bag caught my eye.

I hesitated whether to buy it or not. I hesitated whether to buy it or not.

I hesitated abouto buying it or not. I hesitated about buying it or not.

or I hesitated to buy it.

While I was hesitating, my uncle found my cautioncaught onto me and bought it for my for me without hesitation . At thise time, I felt thatlike I was the happiest girl in the world. While I was hesitating, my uncle caught onto me and bought it for my for me without hesitation. At the time, I felt like I was the happiest girl in the world.

While I was hesitating, my uncle found mye being cautionus and bought it for my for me without hesitation . At this time, I felt that I waslike the happiest girl in the world. While I was hesitating, my uncle found me being cautious and bought it for me without hesitation. At this time, I felt like the happiest girl in the world.

While I was hesitating, my uncle found my cautionnoticed and bought it for my for me without hesitation .At this time. When he did this, I felt thatas if I wasere the happiest girl in the world. While I was hesitating, my uncle noticed and bought it for me without hesitation. When he did this, I felt as if I were the happiest girl in the world.

That's so sweet!