当我们正在上课时,那个男生肯定在讲话.用用英文翻译

问题描述:

当我们正在上课时,那个男生肯定在讲话.用用英文翻译

When we were having a course, that boy must be talking a lot in class.

That boy must speaking when we having class.

That boy must be talking when we are having class.