问题描述：
关于英语介词后跟的介词.
It's nice of you to do sth还是It's nice of you doing sth.和It's unbelievable for you to do sth还是it's unbelievable for you doing sth.和介词It's like sb doing还是It's like sb do.
见过很多人用to do也用doing.估计是口语问题.
It's nice of you to do sth还是It's nice of you doing sth.和It's unbelievable for you to do sth还是it's unbelievable for you doing sth.和介词It's like sb doing还是It's like sb do.
见过很多人用to do也用doing.估计是口语问题.
问题解答：
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