现在完成时与现在完成进行时比较练习.doc

现在完成时与现在完成进行时比较练习.doc现在完成时与现在完成进行时比较练习
现在完成时与现在完成进行时比较练习
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现在完成时与现在完成进行时比较练习
现在完成时与现在完成进行时比较练习
现在完成时与现在完成进行时比较练习
一 .. Make the best choices. （选择题）
1. — I ’m sure Andrew will win the first prize in the final.
— I think so. He ________ for it for months.
A. is preparing B. was preparing C. had been preparing D. has
been preparing
2. By the time he realizes he ____ into a trap, it ’ll be too late for him
to do anything about it. A. walksB. walkedC. has walkedD. had walked
So far this year we _______ a fall in house prices by between 5 and 10 percent.
Cathy is taking notes of the grammatical rules in class at , where she ______
English for a year.
studiesB. studiedC. is studyingD. has been studying
5. Danny _________ hard for long to realize his dream and now he is popular.
A. works B. is working C. has worked D. had worked
6. —I have got a headache.
—No wonder. You_________ in front of that computer too long. A. workB. are workingC. have been workingD. worked
7. The unemployment rate in this district_______ from 6% to 5% in the past
two years.
Nowthat she is out of job, Lucy ___ going back to school ，but she hasn’t decided yet.
A. had consideredB. has been considering C. considered D. is going
to consider
9. —______ you ______ him around the museum yet? —Yes. We had a great
time there.
A. Have