题目内容

Don’t go home ______ you have cleaned the classroom.

A. by
B. then
C. only
D. until

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_ Sunday Monday is OK. I’ll be free during those two days.

A. Neither…nor
B. Either…or
C. Both…and
D. Either…and

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A. since
B. when
C. as
D. if

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A. for
B. so
C. or
D. because

______ you work harder, you’ll do better in your subjects.

A. If
Before
C. Already
D. Whether