Look!A girl is ___(swim)in the river.
问题描述:
Look!A girl is ___(swim)in the river.
答
你好,这句话的意思是:看!一个女孩正在河里游泳,通过看字就可以看出这是正在进行时态,动词要用ing形式.注意, swim要双写m再加ing,即:swimming
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