题目内容
When ____ help, one says "Thank you" while when _____ help, one asks "Can I help you?"
|
A.ffered; offered |
B.ffering; offered |
C.offering; offering |
D.offered; offering |
【答案】
D
【解析】略
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When help, one often says, “Thank you”, or “It’s kind of you.”
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A.offering |
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C.to be offered |
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