27. In order not to be disturbed ,I spent three days　　　 in my study.

　 A. locking　　　　　　　　　 B. locked　　　　　　　　　 C. to lock　　　　　　　　　 D. lock

26. With online course Crazy English has over 20 million students all over China 　　　　　the class through the Internet .

　 A. attend 　　　　　　　　　 B. attended 　　　　　　　 C. attending 　　　　　　 D. to be attending

25. He sat back on the chair, took a book and began to read, ___.

　 A. being looked at ease　　　　　　 B. looked rather at ease

　 C. to look rather at ease　　　　　　 D. looking rather at ease

24. The bank is reported in the local newspaper　　　 in broad daylight yesterday.

　 A. being robbed　　　　　　　　　　　　　　　　　　　　 B. to have been robbed　

　 C. robbed　　　　　　　　　　　　　　　　　　　　　　　　　 D. having been robbed

23.At the computer operation test, one is supposed to stay at his own machine, keep his eyes on his screen, ______ to anyone.

　 A. and not to speak　　　　　　　　　　　　　　　　　　 B. but could not speak

　 C. instead of speaking　 D. or rather speak

22. ______ as the “First Lady of Speech”, Dr Lillian Glass is recognized as one of the world’s leading experts on communication skills.

　 A. Knowing　　　　　　　　 B. Having known　　　 C. Known　　　　　　　　 D. To be known

21. It rained nonstop for ten days , completely 　　　　our holiday.

　 A. to ruin 　　　　　　　　　 B. ruined 　　　　　　　　 C. having ruined 　　　 D. ruining

20.-What happened to you on your way back to the hotel last night ?

　　 -I lost my way in complete darkness and , 　　　　things worse , it began to pour .

　 A. making 　　　　　　　　 B. to make 　　　　　　　 C. having made 　　　　 D. made

19. Comparison may make something appear more beautiful than it is when 　　　　alone.

　 A. to see　　　　　　　　　　 B. seeing　　　　　　　　　 C. is seen　　　　　　　　　 D. seen

18.-Where is our English teacher?

　　 -She is in the classroom, _____ the exercises _________ the students have done at home.

　 A. explaining; /　　　　　　　　　　　　　　　　　　　　　 B. explaining; for

　 C. explained; to　　　　　　　　　　　　　　　　　　　　　 D. explained; from