35. ---Do you know __________?　 ---Next Sunday.

　　 A. what they will do　　　　　 B. where they will go

C. when they will come here　　 D. who they will meet

34. You are too late. The train _____ for ten minutes.

　 A. has left　　　 B. left　　　 C. has been away　　　 D. leaves

33. Our classroom ______ after school every day.

　　 A. clean　　 B. is cleaned　　 C. cleaned　　 D. to clean