题目内容

6、       The old man was sitting in a wheelchair all day because his broken leg suffered after a fall made _____ difficult.

     A. it walk                            B. to walk                     C. walking                    D. it to walk

   

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二、选择题

 

（每空？ 分，共？ 分）

 

 

试题答案

6、 40.   

二、选择题