21. He was to do _____ Mr Black told him to do.

A．whichever B．however　 C．whatever　 D．whenever

20. I didn`t expect to see him last Sunday. We met only ______ chance.

A．of　　　 B．in　　　 C．by　　 D．for

19. You`d better take your umbrella, ______ it rains.

A．in case　　　 　 B．so that　 　 C．in order 　 D．as if

18．－Did you tell Jane the news that her mother would come to see her?　　　

　－Oh, no, I forgot. I ______her now.

　　　 A．will be calling　 　　 B．will call　　 　 C．call　　 　 D．am to call

17.Listen to the foreigners in the front of the bus! What languages________.

　 A. did they speak　　　　　 B. are they speaking　

C. have they spoken　　　　 D. have they been speaking

16．－Are you better today_______?　　　

　－No, it’s ______.

　　　 A. more worse　　　 　　　 B．bad　　　 　 C．worse　　 　 D．the worst

15. We find______ necessary for us students to remember English words as more as possible if we want to master the language.

A．that 　　 B．it 　　 C．this 　 D．him

14. What a wonderful time we are having. It is a best holiday I ______ before.

A．was having 　　　 B．have 　　　 C．have ever had D．had ever had

13．Several bridges _______ over the river and it is very convenient for people to travel around.

　 A. were built　　　　 B. have built　　　 C. have been built　　　　 D. having been built

12．The guests left ,　　　　 a lot of wastes in the room. .

　　　 A．left 　 B．to have left 　　 C．to left　　　 D．having left