问题描述：
根据句子后面括号内的提示,改变下列句子的句型.1.She was doing her homework at 5:00p
问题解答：
我来补答
括号内的提示呢
再问： 根据句子后面括号内的提示，改变下列句子的句型。（4分） 1. She was doing her homework at 5:00pm.（改为一般疑问句） 2. Fred is playing the violin at home now.（改为否定句） 3. I was making some snacks when Yafei won.（改为一般疑问句） 4. He was studying when the teacher came in.（改为否定句）
再答： 1. Was she doing her homework at 5:oopm。 2. Fred is not playing the violin at home now。 3. Were you making some snacks when Yafei won。 4. He was not studying when the teacher came in。 上课要认真呀。。。
