题目内容
We have to wait until the engineer comes because the machine is ______ and we don’t know what is wrong with it.
A. out of date B. out of control C. out of work D. out of order
D
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题目内容
We have to wait until the engineer comes because the machine is ______ and we don’t know what is wrong with it.
A. out of date B. out of control C. out of work D. out of order