2005福建，33） Whenhelp, one often says “Thank you.” or “It’s kind of you”. A. offeringB. to o

发布时间：2020-08-17 11:59:28

2005福建，33） When    help, one often says “Thank you.” or “It’s kind of you”.
A. offering
B. to offer
C. to be offered
D. offered

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A. offering
B. to offer
C. to be offered
(答案→)D. offered
解析：根据句意可以得知when之后省略了one is。
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