20、The students were participating __________ an international energy-saving competition between towns in New England and Canada.

A. for          B. in           C. to         D. at

19、It’s not surprising, with the huge popularity of the movie Pairates of the Caribbean, ________ two more have been produced.

A. which           B. what             C. so               D. that

18、A well-written composition__________ a good choice of words and clear organization among other things.

A. calls on         B. calls for       C. calls up         D. calls off

17、Lang lang is my favorite pianist. I regards him as __________ other pianists.

A. superior to      B. more superior to     C. surperior than   D. more surprior than

16、Many early Europeans, __________ the earth to be flat, feared that Columbus would fall off the edge of the earth.

A. believing         B. having believed      C. believed          D. to believe

15、-Which hotel are you in?

-I_________ in a hotel. A friend I met on the train from the south __________ to put me up for a couple of nights.

A. haven’t stayed; has offered                   B.am not staying; offered

C. am not staying; is offering          D. do not stay; offers

14、Why are the housing prices in big cities going up all the time?

-----One reason is that people are__________ into overcrowded cities in great numbers.

A. breaking        B. filling        C. pouring        D. hurrying

13、The famous scientist, _______ a dinned  party will be held tonight, is to arrive soon.

A. in honour of him                    B. in his honour 

C. in whose honour                  D. in which honour

12、Many young graduates don’t want to work because they think that________, they probably wouldn’t be able to enjoy an easy and colourful life.

A. are they to work            B. Were they to work

C. had they worked            D. have they worked

11、At the news conference, the spokesman said,” Keeping the meat price under control is within the ___________ of the governments’s responsibility.”

A. field                      B. limit                 C. extent                     D. range