题目内容
--Bob, are you free at the moment? I have to ask you for a favour.
--_________.
A. It’s a pleasure. B. Go ahead C. Help yourself D. Ask, please
B

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题目内容
--Bob, are you free at the moment? I have to ask you for a favour.
--_________.
A. It’s a pleasure. B. Go ahead C. Help yourself D. Ask, please
B