—I’m losing my eyesight, I’m afraid.—To finish this book, you ______ in front of
题型：不详难度：来源：
—I’m losing my eyesight, I’m afraid.
—To finish this book, you ______ in front of your computer too long.| A．work | B．are working | C．have been working | D．worked |
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答案
| C |
解析
试题分析：考查时态。根据时间状语too long说明很长一段时间以来一直在做某事，故使用现在完成进行时。句意：—恐怕我的视力在下降。—为了写完这本书，你一直在电脑之前工作了太长的时间。根据句意说明C正确。
点评：时态的考查要抓住文章的关键的时间状语，如本题的too long和上下文的语境， |
举一反三
The road ______and it will be finished by the end of next year. | A．is built | B．is being built | C．has been built | D．was built |
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Her sister left home in1998, and since.| A．had not been heard of | B．has not been heard of | | C．had not heard of | D．has been heard of |
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Thousands of families killed and many children were left without
parents. |
The number of foreign students attending Chinese universities ______ rising steadily since 2009. | A．is | B．are | C．has been | D．have been |
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Would you please keep silent? The weather report and I want to listen. | A．is broadcast | B．has been broadcast | | C．is being broadcast | D．was broadcast |
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