问题补充:
I haven’t seen you for a couple of days . What have you been up ?
A. in
B. to
C. with
D. for
答案:
A. in
B. to
C. with
D. for
解析:be to 在干什么。好久未见了,他在忙些什么?故选B。
时间:2018-11-15 14:41:36
I haven’t seen you for a couple of days . What have you been up ?
A. in
B. to
C. with
D. for
A. in
B. to
C. with
D. for
解析:be to 在干什么。好久未见了,他在忙些什么?故选B。
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