4. My sister uses to play tennis a lot of but she doesn't play very often now.
A. uses to play -> used to play

5. We are having a birthday party in Sunday night. Would you like to come?
B. in Sunday night -> on Sunday night

6. Is there an interesting film on to the Rex Cinema today?
D. to -> at

7. We like the hotel so much that we are going to there again next year.
D. to there -> to be there

8. Richard left class early because he used to have a headache.
D. used to have -> had

9. I should work harder at my English pronunciation.
C. at -> on

10. The beach we went in the first day of our holiday was full of tourist.
A. in the first day -> to on the first day