40.　 I left my umbrella in my room.　 Could you wait________I go back to get it?

A.　 when　　　　　 B.　 if　　　　　 C.　 while　　　　　 D.　 before

39.　 -Is this your coat, sir?

-No.　 Mine________over there near the window.

A. hangs　　　　 B. is hanging　　　　 C.　 hung　　　　　 D. has hung

38.　 -Susan, why are you still here? They are all ready to start.

-I'm sorry, but I________when to meet.

A.　 don't tell　　　　　 B. .didn't tell

C.　 haven't told　　　　　　 D.　 wasn't told

37.　 -Is Peter here yet?

-Not yet, but he________be here soon.　 He usually is on time.

A.　 would　　　　 B.　 could　　　　　 C.　 should　　　　　　　 D.　 must

36. -Have you heard of the accident about Lucy and her father?

-Accident? No, I haven't.　 Tell me about________.

A. it　　　　　　 B.　 her　　　　　　 C.　 him　　　　　　 D.　 them