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

答案：

1、现在完成时主要强调过去发生的动作对现在造成的影响，或过去发生的动作还未结束，一直持续到现在或将来，重点在于对现在的影响。这种考查难度较大，往往无时间状语，需要从上下文分析、推理才行。故上两侧根据上下文分析、推理，正确答案是B。

　　2、现在完成时常与already(已经)，just(刚刚，正好)，ever(曾经)，never(从来，也不;从不)，before(以前)，yet(仍然)等连用。故2应选B。

　　3、C

　　4、现在完成时常与recently(近来)，so far(到目前为止)，in the past/"last + 一段时间"等时间状语连用。因为上述短语表示的是从现在起往前推算的一段时间，句中的动作是从过去某一时间或时刻开始持续到现在的。故4应选D。

　　5、C

　　6、现在完成时时常与"for +时间段或since +过去时间点"连用(含从句，从句过去时)。故6应选C。

　　7、C

　　8、现在完成时还与once(一次)，twice(两次)，three times(三次)，several times(几次)等表示重复次数的词语连用。故8应选B。

　　9、现在完成时与一般过去时容易混淆，就是因为它们所表示的动作都发生在过去，但二者又有区别：一般过去时表示过去某个时间发生的事、存在的状态或经常发生的动作，说话的侧重点在于陈述一件过去的事情，与现在没有关系;现在完成时表示与现在有关系的发生在过去的动作，它不与表示过去的时间状语(如yesterday , last week , a moment ago等)连用。故9的正确答案为B。

　　10、B

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