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六、单选

（ ）1、Both his parents look sad. Maybe they ______what's happened to him.

A. knew B. have known C. must know D. will know

（ ）2、He has _______ been to Shanghai, has he ?

A. already B. never C. ever D. still

（ ）3、Have you met Mr Li ______？

A. just B. ago C. before D. a moment ago

（ ）4、The famous writer _____ one new book in the past two year .

A. is writing B. was writing C. wrote D. has written

（ ）5、—Our country ______ a lot so far .

—Yes. I hope it will be even ______.

A. has changed; well B. changed; good C. has changed; better D. changed; better

（ ）6、Zhao Lan ______already ______in this school for two years .

A. was; studying B. will; study C. has; studied D. are; studying

（ ）7、We ______ Xiao Li since she was a little girl .

A. know B. had known C. have known D. knew

（ ）8、Harry Potter is a very nice film. I ______ it twice.

A. will see B. have seen C. saw D. see

（ ）9、—These farmers have been to the United States .

—Really? When _____ there?

A. will they go B. did they go C. do they go D. have they gone

（ ）10、—______ you ___ your homework yet?

—Yes. I _____ it a moment ago.

A.Did; do; finished B.Have; done; finished

C.Have; done; have finished D.will; do; finish

（ ）11、His father ______ the club since 1988.

A. joined B. has joined C. was in D. has been in

（ ）12、—Do you know her well?

— Sure .We _________ friends since ten years ago.

A. were B. have been C. have become D. have made

（ ）13、—How long have you ____ here?

—About seven years.

A. been B. gone C. come D. arrived

（ ）14、Hurry up! The program __________ for five minutes .

A. has begun B. had begun C. has been on D. began