来源：学生作业帮 编辑：拍题作业网作业帮 分类：英语作业 时间：2024/04/29 10:01:42
我想问一下这个特殊疑问句改的有没有错?
肯定句They bought a new bike yesterday.改成疑问句What do they bought yesterday?这样对吗为什么.请说清楚点我对这些不熟悉可能是小学没听课.
They bought a new bike yesterday.
针对a new bike 提问是用what.
但是句子的失态是过去式（句中有yesterday,所以是过去式）
改成疑问句What did they buy yesterday
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