问题
选择题
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
答案
答案：A
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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
答案：A