My parents have promised to come to see me before I _________ for Africa.A.have
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My parents have promised to come to see me before I _________ for Africa.A.have left | B.leave | C.left | D.will leave |
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答案
B |
解析
考察时态。本题before后面仍然是一个时间状语从句,根据句意:我的父母答应在我去非洲之前来看我。用一般现在时代替将来时。 |
举一反三
What he has achieved still _________ all the people around.A.astonishes | B.astonished | C.astonishing | D.astonishment |
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–Why, David, you look so tired! –Well, I ______ a report for the whole day and I must finish it tomorrow.A.was writing | B.will be writing | C.have written | D.have been writing |
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Look! The houses _________.A.is being built | B.are building | C.being built | D.are being built |
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—We want to sit at the table near the window. —I’m sorry,but it________ already.A.has taken | B.took | C.was taken | D.has been taken |
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In recent years, great changes have taken place in the city of Wenzhou. As we can see, many streets and roads_______.A.had been built and rebuilt | B.has been built and rebuilt | C.have been built and rebuilt | D.are being built and rebuilt |
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