21. It’s difficult ____ choose. A.　 at　 B. to　 C. on

20. He ____ up very early every morning, but yesterday morning he ____up late.

　　 A. get　　 get　 B. gets　　 gets　　 C. gets　 got

19. My brother is good ____ Maths.　 A.　 at　 B. for　　 C. on

18. What will he _____ tomorrow? A.　 do　 B. does　 C. did

17.It’s a surprise party _____ my friend. A.　 to　 B. for　　 C. of

16. Is it your _______ birthday?　 A.　 mother　 B. mother’s　　 C. mothers

15. Now Sam is playing _____ drums.　 A.　 at　 B. for　　 C.the

14.We’ll have____ English party this Sunday.　　 A.　 an　　 B. a　　 C. the

13.That is _____ great idea!　 A.　 a　 B. an　 C. on

12. What are you going to do ______ Mother’s Day?　 A.　 at　 B. for　　 C. on