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21、When I got to the playground, our class team ____ the game with a big advantage and only a few minutes to go.

A. won          B. was winning       C. had won        D. have won

20、―Excuse me, sir. I'd like to know if ￡500 can ________ the cost of a travel to Beijing?

―I'm afraid not.

A. provide             B. pay              C. cover                D. afford

19、You should have informed me that the lecture was canceled. I  _____ all the way here through the heavy rain.

A. mustn't have run      B. can't have run      C. shouldn’t have run     D. needn't have run

18、Woman ___ Hillary Clinton is, she was bold enough to participate in the presidential campaign, 2008．

A. who                     B. as                 C. that                 D. like

17、The more one is _________ the English-speaking environment, the better he or she will learn the language．

A. exposed to              B. filled in                   C. caught on                   D. kept up

16、The violent disturbances in Bangkok had progressed to a point ________ the police had to drive away the protestants with tear gas．

A. from which          B. that              C. where               D. what

15、Polar bears live       on sea ice，which they use as a platform for hunting seals

A. most                B. almost           C. nearly               D. mostly

14、All of you ________ at the school gate! We’ll soon start．

A. are gathering                  B. will gather            C. have gathered             D. gather

13、―Did you have any trouble with the customs officer?

―________ to speak of.
　 A. No　　　　　       B. Nothing           C. None          D. Neither

12、Chinese Vice-Premier called on Thursday for______ all-out effort to ensure ______ food and drug safety.

A. an; a               B. an; 不填          C. the; the             D. 不填; the