题目内容

Only recently ____to deal with the environmental problem.

A. something has done
B. has something done
C. has something been done
D. something has been done

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Hardly _ one problem settled_another appeared.

A. have I had; than
B. have I had; when
C. do I had; than
D. had I had; when

Busy _____ I am, I'll spend Sunday playing with my child.

A. no matter how
B. because
C. as
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A. either does John
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C. so doesn't John
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Never _____ such a terrible story.

A. I have heard
B. have I heard
C. did I hear
D. I heard