How can you expect to learn anything ______ you spend all your time playing comp
题型：不详难度：来源：
How can you expect to learn anything ______ you spend all your time playing computer games?| A．unless | B．until | C．though | D．when |
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答案
| D |
解析
试题分析：当你把全部时间都花在玩电脑游戏时，你怎能期望学一些东西？故应选D。A. unless 如果不，除非 B.until 直到 C.though 虽然，尽管 D. when 当……时。 |
举一反三
Scientists say it will be five or six years __________ it is possible to test this medicine on humans.| A．after | B．before | C．since | D．when |
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______ we have enough evidence (证据), we can"t win the case.| A．Once | B．As long as | C．Unless | D．Since |
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| He was about to tell me the secret ______ someone patted him on the shoulder. |
Before long the Greens moved to a bigger city ____ the children could attend a better high school.| A．even if | B．so that | C．now that | D．as if |
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— Will you go out to play for a while, Kate?
—Not I finish all of my homework.| A．when | B．if | C．after | D．unless |
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