Question

It will be difficult ________ a robot_________ same things as a person,

A. of, to do      B. for, to do             C. for, doing

Answer

B

【解析】

试题分析：句意：对于机器人来说，和人似得去做一样的事情，太难了。It is difficult for sb to do sth对于某人来说，做某事太难了。

考点：考查固定句型。