When you see the sign “Exit”, you know you can _____from here. [ ]A. go in

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When you see the sign “Exit”, you know you can _____from here. [     ]
A. go in
B. go out
C. go upstairs
D. go downstairs

答案

举一反三

They are ____ advertisements everywhere.[      ]
A. putting up
B. putting on
C. setting up
D. working out

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The maths problem was so difficult that none of us could _______. [ ]
A. try it out
B. work it out
C. look it up
D. work on it

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There are lots of mistakes in my homework because I didn’t pay attention to _____the teacher. [ ]
A. listen
B. listening to
C. listening
D. listen to

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从方框中选择恰当的短语，并用其正确形式完成句子。

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