题目内容
【题目】—What are you doing?
—I’m_________.
A. write an email
B. going to write an email
C. writing an email
【答案】C
【解析】略
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题目内容
【题目】—What are you doing?
—I’m_________.
A. write an email
B. going to write an email
C. writing an email
【答案】C
【解析】略