I haven’t seen you for a couple of days . What have you been up?A. in B. toC. with D. for

发布时间：2020-08-16 06:01:20

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

网友回答

A. in
(答案→)B. to
C. with
D. for
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