Dontpresstheredbutton,youwills

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更新 2022-09-03
科目英语
题型单选题
难度中等
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挑错有奖

Don't press the red button ,_______you will set off the alarm.

A．but

B．or

C．so

D．and

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-----What has made him upset recently?
-----_______ alone to face a troublesome milk case.

A．Left

B．Being left

C．Having left

D．To leave

题型：未知
难度：未知

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----- Do you know when Tonny came back last night?
----- Yes. It was not yet nine o’clock _____ he came back home.

A．before

B．when

C．that

D．until

题型：未知
难度：未知

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----- The windows must have taken you quite a long time that day.
----- Right. They ______ for months.

A．haven’t been cleaned

B．didn’t clean

C．hadn’t been cleaned

D．haven’t cleaned

题型：未知
难度：未知

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It was the training he had as a young man made him such a good engineer.

A．what; that

B．which; that

C．that; which

D．that; what

题型：未知
难度：未知

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Once harm ______ to the environment, it takes years to have the system recovered.

A．does

B．is done

C．will be done

D．be done

题型：未知
难度：未知

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