问题描述：
it is C for sb to do sth it take sb sometime to do sth it take sth to do sth
it take sb sometime for sb to do sth
it take sth for sb to do sth
后俩句也可以像第一句那样加for
it take sb sometime for sb to do sth
it take sth for sb to do sth
后俩句也可以像第一句那样加for
问题解答：
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