They bought a boy plane at once.变为一般疑问句是什么?_英语解答

They bought a boy plane at once.变为一般疑问句是什么?

人气：454 ℃　时间：2020-04-23 05:44:34

解答

Did they buy a boy plane at once?
助动词的过去式提前,原名中的动词还原,剩下的句子照抄,最后把句号变成问号.
就这么简单,希望能够帮到你.