题目内容
---Hi,Joan.I haven’t seen you for weeks.What __________ recently?
---Carrying on some research on wildlife.
A. have you been doing B. have you done C. Were doing D. did you do
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题目内容
---Hi,Joan.I haven’t seen you for weeks.What __________ recently?
---Carrying on some research on wildlife.
A. have you been doing B. have you done C. Were doing D. did you do