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题目
一、根据句子后面括号内的提示,改变下列句子的句型
1.Mary was watching TV at home yesterday evening.(改为一般疑问句) 2.They are playing basketball on playground now.(改为否定句) 3.We were hiking at Wutong Mountain yesterday afternoon.(改为一般疑问句

提问时间:2020-10-22

答案
1.was Mary watching TV at home yesterday evening?
2.They aren't  playing basketball on playground now.
3.were We hiking at Wutong Mountain yesterday afternoon.
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