classes beging in .we must come back to school again .

问题描述:

classes beging in .we must come back to school again .
beging in后面有个空,要填月份

classes beging in September.we must come back to school again .
课程要开始了(即:要上课了).我们必须重新回到学校.
九月就要开课了/开学了,我们必须重新回到学校.