Answer:
1. There are lots of parties at Christmas.
2. I received a letter from my friend yesterday.
3. She usually goes swimming on Sunday mornings.
4. Khoi is my close friend. I spend most of my free time with him.
5. He does volunteer work at a local hospital.
6. His friends didn't laugh at his jokes.
7. My friends usually enjoy my sense of humor.
8. He lives at 26 Tran Phu Street Ha Noi.
Step-by-step explanation:
Prepositions are the words that tell us the position, place, or time of a thing. In other words, prepositions show us the relation of one thing to another.
In the given sentences, the respective prepositions are given as below-
1. There are lots of parties at Christmas.
2. I received a letter from my friend yesterday.
3. She usually goes swimming on Sunday mornings.
4. Khoi is my close friend. I spend most of my free time with him.
5. He does volunteer work at a local hospital.
6. His friends didn't laugh at his jokes.
7. My friends usually enjoy my sense of humor.
8. He lives at 26 Tran Phu Street Ha Noi.