what are you doing here,peter?You are____ to be at home .doing your homework.A used B supposed C known D added 详细解答一下

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whatareyoudoinghere,peter?Youare____tobeathome.doingyourhomework.AusedBsupposedCknownDadded详细解答一下wha

what are you doing here,peter?You are____ to be at home .doing your homework.A used B supposed C known D added 详细解答一下
what are you doing here,peter?You are____ to be at home .doing your homework.
A used B supposed C known D added 详细解答一下

what are you doing here,peter?You are____ to be at home .doing your homework.A used B supposed C known D added 详细解答一下
大意是 问petter 你在干嘛呢～你不是应该在家做作业吗?
A used to be 被用作
B suppose to be 应该是
c known to be 为...所知
D added to be 加入
therefore ,the answer should be B.

B supposed 你在这干什么呢，Peter? 你应该在家做作业。

be used to do被用来做某事 be supposed to应该 be known to为……所知 be added to被加入到…… 所以选B

B be supposed to　 应该

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