Mike has much difficulty Chinese so he often asks me help.
A. to understand, with
B. understanding, of
C. to understand, for
D. understanding, for
网友回答
A. to understand, with
B. understanding, of
C. to understand, for
(答案→)D. understanding, for
解析:考查句型。have difficulty in doing sth.做某事有困难,in可以省略。Ask sb for help 请某人帮忙。故选D