Liu Ming is said abroad for one year before he came to teach in our scho
题型：不详难度：来源：
Liu Ming is said abroad for one year before he came to teach in our school．| A．to have studied | B．to study | | C．to be studying | D．to have been studying |
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答案
| A |
解析
| 本题考查不定式的时态。根据语境Liu Ming已经在国外学习一年，且回来。故用不定式的完成时，选A。 |
举一反三
As it was the rush hour, I was soon in the traffic jam．| A．lost | B．stopped | C．stuck | D．missed |
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In order to reduce the increasing prices of vegetables , the toll(过路费) if a truck carrying them passes through a toll station .| A．cancels | B．is cancelled | C．was cancelled | D．had been cancelled |
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I don’t drink now, but I ________ for almost ten years.| A．ever drank | B．was ever drinking | C．have ever drunk | D．had ever drunk |
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The price of agriculture products _______ since the beginning of last year.| A．is going up | B．had gone up | C．went up | D．has been going up |
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We would have gone fishing yesterday, but it _______ heavily.| A．rained | B．had rained | C．has rained | D．would rain |
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