what's happen
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/06/28 11:57:40
what's happen
![what's happen](/uploads/image/z/2166995-11-5.jpg?t=what%27s+happen)
What's happened?=What has happened?
What's happening?=What is happening?
But "What happen" is incorrect
What's happening?=What is happening?
But "What happen" is incorrect