1. What may you do after school?

2. I may visit my friend at the hospital.

3. I may go to the post office to send a letter.

4.I may play soccer on the playground.

5. I may go Sajik Sports Complex to watch the baseball match.

6. I may go to a supermarket to buy some fruit.

7. I may go to Home plus to buy an electric fan.

8. I may go to Bujeon Market to buy some watermelons.

9. I may go to Yongdusan Park to take a walk with my friends.

10. I may go to the academy to study some subjects.

11.I may go to one of my friend's house to play computer games.

12. I may go to the movies with my close friends.

13. I may go to a comic bookstore to read comic books.

14. I may go to the gym to play basketball with my classmates.

15. I may go to my uncle's to have dinner together.

16. I may go to Seoul by train, for I have to go to a famous hospital there.

(Are the question and the answers are grammatical?)

#5 I may go TO...

#7 Home Plus (the name of a store?)

#11 I may go to a friend's house OR to one of my friends' houses

Sra

The question and most of the answers provided are grammatically correct. However, there are a few minor adjustments that can be made for better clarity:

1. What can you do after school?

2. I can visit my friend at the hospital.
3. I can go to the post office to send a letter.
4. I can play soccer on the playground.
5. I can go to Sajik Sports Complex to watch a baseball match.
6. I can go to a supermarket to buy some fruit.
7. I can go to Homeplus to buy an electric fan.
8. I can go to Bujeon Market to buy some watermelons.
9. I can go to Yongdusan Park to take a walk with my friends.
10. I can go to an academy to study some subjects.
11. I can go to one of my friend's houses to play computer games.
12. I can go to the movies with my close friends.
13. I can go to a comic bookstore to read comic books.
14. I can go to the gym to play basketball with my classmates.
15. I can go to my uncle's place to have dinner together.
16. I can go to Seoul by train because I have to go to a famous hospital there.

These minor adjustments help to clarify the meaning of the sentences and ensure they are grammatically correct.