She ____ on her homework in her study now . A.must work B.ca

She ____ on her homework in her study now .
A.must work B.can work C.must have worked D.must be working
zysinger 1年前 已收到1个回答 举报

关关林林 幼苗

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D。

对正在发生的事进行推测。

1年前

3
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