问题描述：
是be kind to do sth 还是 be kind of doing sth?
谢谢~
我是想这么说 用在疑问句里的
will you be kind to do 还是 will you be kind of doing???
谢谢~
我是想这么说 用在疑问句里的
will you be kind to do 还是 will you be kind of doing???
问题解答：
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