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英语
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How long has the lab in your school been___use?
A.into B.inC.of D.for
答案应该选B,为什么不是A?请说明原因,谢谢~
人气:312 ℃ 时间:2019-11-15 03:00:51
解答
in use是“使用中”的意思,是个短语,没有“into use”的说法!
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