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精英家教網 > 高中英語 > 題目詳情

 He is 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


解析:

由句意可知:他總是樂于助人,如果說他曾經拒絕過別人的話,那也是很不經常的。故選B。

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