20.Great changes _____ in China in the past 20 years.

A.are taking place　　　　　　　 B.have been taken place

C.have taken place　　　　　　 D.are being taken place

19.--Is this raincoat yours?

--No, mine is hanging behind the door.

--So it must be _____.

A.someone else　　　　　　 B.someone else's

C.someone's else's　　　　 D.someone's else

18.There are six boys and two girls in the class room; that's eight _____.

A.at all　　　　 B.in all　　　　　 C.after all　　　 D.above all

17.My father served in the army in _____ when he was in _____.

A.1950's, twenties　　　　 B.the 1950's, his twenties

C.the 1950's, the twenties　 D.1950's, the twenties

16.--How do you like the books?

　　　　 --Oh, they are wonderful. People here think _____ of the books.

A.little　　　　　 B.good　　　　　 C.a great deal 　　　　　 D.badly

15.I can never forget the days _____ we worked together and the days _____ we

spent happily together.

A.for which, that　　　　　　　　　　　 B.which, when

C.when, which　　　　　　　　　　 D.on which, when

14.I'm afraid _____ her the truth, because I'm afraid _____ her.

A.to tell, of hurting　　　　　　 B.to tell, to hurt

C.of telling, to hurt　　　　　　 D.of telling, of hurting

13.I _____ all my honor and success to my teachers and classmates.

A.own　　　　　 B.owe　　　　　　 C.return　　 D.give

12.--How long are you staying?

　　　　 --I don't know. _____.

A.That's OK B.Never mind　　　 C.It depends　 D.It doesn't matter

11.Mary finally _____ Bruce as her life-long companion.

A.received　　 B.accepted　　　　　 C.made　　 D.honored