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英语语法急用啊_____ you don't upset any of them.A,Be sure of B,Be s

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英语语法急用啊
_____ you don't upset any of them.
A,Be sure of B,Be sure about
C,Make sure that D,Fell sure
AB选项为什么不能?他们后面能接从句吗?
选C,意为“确保”
A、B be sure of / about (doing) sth. 表示人对某事(物)的看法,意为“对……有把握”.其后常接名词、代词或动词-ing形式.而“you don't upset any of them”是句子.
C make sure其后可接of, about或that从句.
D 没有fell sure 有for sure ,一般用在句尾,代表“一定,肯定”
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