He is only too ready to help others，seldom，________refusing them when they turn

题干

He is only too ready to help others，seldom，________refusing them when they turn
to him.

A．if never

B．if ever

C．if not

D．if no

上一题下一题 0.64难度单项选择更新时间:2014-07-10 07:25:14

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