--John may I ask you a favour? --________[A] I’m sorry but why?[B] Sure what is
正确答案
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--John, may I ask you a favour? --________
[A] I’m sorry, but why?
[B] Sure, what is it?
[C] Yes, you could.
[D] I’d love to, and I’m busy.
请帮忙给出正确答案和分析,谢谢!
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