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题目内容
（河南大学-本科英语）
9[单选题,1.3分]
It’s no use _______ about it now.
A.to complain
B.complaining
C.to be complaining
D.having complained
It’s no use _______ about it now.
A.to complain
B.complaining
C.to be complaining
D.having complained
参考答案