Question

Answer 1

7. You must do your homework every day.

8. What are you going to do this summer vacation?

9. This excersice is more difficult than that one.

10 He is the most popular singer in our country.

Answer 2

7. You must do your homework every day.
8. What are you going to do this summer vacation?
9. This exercise is more difficult than that one.
10. He is the most popular singer in our country. 

Answer 3

7. You must do your homework everyday.
8. What are you going to do this summer vacation?
9. This exercise is more difficult than that one.
10. He is the most popular singer in our country.