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I haven’t seen you for a couple of days . What have you been up ? A.in B.to C.wi

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I haven’t seen you for a couple of days . What have you been up ? A.in B.to C.wi

I haven’t seen you for a couple of days . What have you been up          ?

       A.in     B.to      C.with        D.for

试题答案

B

解析:

be to 在干什么。好久未见了,他在忙些什么?故选B。