The policemen are very glad ______ the old people if they have any trouble.[ ]A. helpB. to help C. h

题目简介

The policemen are very glad ______ the old people if they have any trouble.[ ]A. helpB. to help C. h

题目详情

The policemen are very glad ______ the old people if they have any trouble.
[     ]

A. help      
B. to help    
C. helping  
D. helps

题型:单选题难度:中档来源:同步题

答案

B

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