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