---- How long do you think it is______ he arrived here?---- No more than half a
题型：不详难度：来源：
---- How long do you think it is______ he arrived here?
---- No more than half a year, I believe.| A．when | B．that | C．before | D．since |
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答案
| D |
解析
| 考查固定短语。句意：自他到这儿以来，你认为多久啊？故用since。 |
举一反三
I won’t call you, ______ something unexpected haappens.| A．because | B．While | C．unless | D．while |
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—What do I have to do ______ I want to be thinner?—Eat less, exercise more.| A．but | B．since | C．because | D．if |
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| My English teacher is busy, __________ she always finds time to visit her parents. |
The factory has been closed a year ago.| A．already | B．since | C．for | D．yet |
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Learn hard, or you _______ pass the exam.| A．will | B．don’t | C．won’t | D．can |
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