in class与in classes与 in the class的区别并举例说明，谢谢

in class与in classes与 in the class的区别并举例说明，谢谢

in class是指在课堂上，在上课
in the class 意思是在班级里面，在班上。
in classes
In English classes, body language has functions of organizing, demonstrating and suggesting.
体态语在英语教学中有组织、示范、暗示作用。
Do volunteer work, take up a hobby, enroll in classes or pursue a part-time job.
可以做一些志愿工作，培养点儿兴趣爱好，参加一些课程学点东西或是干点兼职工作。