题目内容
He is always ready to help others, seldom, ______, refusing them when they turn to him.
A.if never B.if ever C.if not D.if any
【答案】
B
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题目内容
He is always ready to help others, seldom, ______, refusing them when they turn to him.
A.if never B.if ever C.if not D.if any
B