题目内容
【题目】Some are _________ in the river and some are _____ games. ( )
A. swim, playingB. swiming, playingC. swimming, playingD. swimming, play
【答案】C
【解析】
略
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题目内容
【题目】Some are _________ in the river and some are _____ games. ( )
A. swim, playingB. swiming, playingC. swimming, playingD. swimming, play
【答案】C
【解析】
略