题目内容
【题目】Look! Some people are ________ taijiquan under the tree. ( )
A. do B. doing C. does
【答案】B
【解析】
略
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题目内容
【题目】Look! Some people are ________ taijiquan under the tree. ( )
A. do B. doing C. does
【答案】B
【解析】
略