20. David apologized for ________ to inform me of the change in the plan.

A. his being not able　　　　　 　　B. him not to be able

C. his not being able　　　　　　 D. him to be not able

19. -Do you like Nack ?

　　 -Yes , Nack is good , kind , hard –working and intelligent;　　　　 　, I can’t

speak too highly of him .

A．as a result 　　　　　 B．in a word 　　　　 C．by the way 　　　D. on the contrary　　

18. The engines of the ship were out of order and the bad weather____ the helplessness of the crew at sea.

A. resulted from　　 　　 B. turned out　 　 C. made up　　　　　　　 D. added to

17. She _______ Japanese when she was in Japan. Now she can speak it freely.

　 　A. picked out　 B. brought about　 C. worked out　 D. picked up

16. ______I shouted at the top of my voice_____ turn around.

A. Not until, did he　　　　　　　　　 B. Not until, he did　

C. Until, did he not　　 　　　　　　　D. Until, he didn’t

15. This computer is _______________ .

A. twice as expensive as that one　　　　 B. twice expensive than that one

C. as twice expensive as that one　　　　 D. two times as expensive as that one

14. He told me that he _______ to the museum ______ .

A. had gone, three days ago　　　　　　 B. were going , the next day

C. had gone, for three days　　　　　　 D. would go, tomorrow

13. ---Do you go to swim every day?

---No, but I ________.

A. used to do　 　　B. used　　 　　　　　 C. used to do it so　　 　 D. used to

12. The problem just ______to be discussed.

A. referred is 　　　　　　　 B. referred to be　　　　　　 C. referring to is　　　　　 D. referred to is

11. Since the able person, John, is in ______ charge of the matter, we’re sure that the matter is under _____ control now.

A. the; the　　　 　B. the; /　　　　 　　C. /; the　　　　　 D. /; /