题目内容

Wehaveinvitedanexpert()thisareatogiveusaspeech.

A.

off


B.

in


C.

away


D.

on


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Takecareofyourbrother.Don’tlethimrun()trouble.

A. into
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Theytriedtoplay()theseriousnessofthedisaster.

A. on
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A. pluses
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A. to
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