从A、B、C和D四个选项中,选出可以填入空白处的最佳选项。

　　1.-Your sister looks beautiful. Is she a model or a film star -______. She's a doctor.

　　A.Whatever you say

　　B.Forget about it

　　C.You bet

　　D.Far from it

　　2.I'11 send you my address______ I find somewhere to live.

　　A.although

　　B.as

　　C.while

　　D.once

　　3.-Who is late this time -______you ask Susan, of course.

　　A.Could

　　B.Can

　　C.Need

　　D.Would

　　4.Mack is very busy; he is a full-time student, while______ a part-time job.

　　A.to hold

　　B.being held

　　C.held

　　D.holding

　　5.-Harry treats his secretary badly. -Yes, he seems to think that she's the______ important person in the office.

　　A.less

　　B.least

　　C.more

　　D.most

　　6.Alice was about to______, when she suddenly found an answer to the question.

　　A.make up

　　B.look up

　　C.turn up

　　D.give up

　　7.It was a big celebration-______people gathered at the city square.

　　A.five thousands

　　B.five thousand

　　C.thousands

　　D.thousand of

　　8.______ if he'd ever been fined before, Mathew replied, "Only for speeding. "

　　A.Asking

　　B.Asked

　　C.To ask

　　D.Having asked

　　9.Although it was not named______ 1782,this kind of metal was used as early as 5300 B.C.

　　A.for

　　B.in

　　C.until

　　D.since

　　10.Just think, in three months it'll be summer again.

　　A.other

　　B.another

　　C.these

　　D.those

　　11.Tony couldn't go to university but______ his education through evening school courses.

　　A.has continued

　　B.continued

　　C.continues

　　D.had continued

　　12.It is said that Sally's been painting for years since she was a little girl,______

　　A.isn't she

　　B.hasn't it

　　C.hasn't she

　　D.doesn't it

　　13.-"Do you mind if I smoke" -"Well, actually,______. "

　　A.I'd rather you didn't

　　B.go ahead

　　C.it doesn't work

　　D.never mind

　　14.John and Sue______ computer games for hours before their parents came home from work.

　　A.are playing

　　B.have been playing

　　C.played

　　D.had been playing

　　15.Please give me more time;______ I shall not be able to finish the paper by next Monday.

　　A.meanwhile

　　B.therefore

　　C.otherwise

　　D.still

　　KEYS：

　　1-5.DDBDB　　　 6-10.DBBCB

　　11-15.BCADC