You'd better not keep us waiting for so long.

问题描述:

You'd better not keep us waiting for so long.
为什么wait+ing,而不用wait原形呢?
1个回答 分类:英语 2014-11-04

问题解答:

我来补答
keep somebody doing something是让某人做某事.保持一个持续的状态.是一个固定短语.如果用原形那就用keep somebody to do something .让某人去做某事.
 
 
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