题目内容
【题目】Some children are sitting on the grass and________ a chat now. ( )
A. had B. have C. having D. are having
【答案】C
【解析】
略
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题目内容
【题目】Some children are sitting on the grass and________ a chat now. ( )
A. had B. have C. having D. are having
【答案】C
【解析】
略