问题标题:
theyplayedfootballintheplayground.(改为否定句,一般疑问句)
问题描述:
theyplayedfootballintheplayground.(改为否定句,一般疑问句)
傅振宪回答:
否定句Theydidn'tplayfootballintheplayground.一般疑问句Didtheyplayfootballintheplayground?
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