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英语
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Is your brother old enough to be a member of our association?
中为什么要加be?不能省略吗?
人气:149 ℃ 时间:2020-02-20 14:59:21
解答
to be a member ...
因为前面用了不定式,而不定式的后面是需要跟动词的.这里的动词由系动词担当.表示"作...成..为...是..."等意思,故be不可省略.
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