【题目】What are you doing? （ ）
A. I’m playing the game. B. I did my homework.
C. I do taijiquan. D. You are playing chess.
【答案】A
【解析】
略
【题目】What are you doing? （ ）
A. I’m playing the game. B. I did my homework.
C. I do taijiquan. D. You are playing chess.
【答案】A
【解析】
略
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