We all know( ).括号填1when does the class begin 2when does the class_英语解答

We all know( ).括号填1when does the class begin 2when does the class begins 3when the class begin选

人气：298 ℃　时间：2020-04-02 02:07:27

解答

不是疑问句不需要倒装,class是单三；
应该这样说才对：
We all know when the class begins.