题目内容
He is only too ready to help others, seldom,_____, refusing them when they turn to him
[ ]
A. if ever
B. if not
C. instead
D. if any
B. if not
C. instead
D. if any
A
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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 any |