be in class.
be in session
at school
都可以。具体的还可以根据上下文来进行翻译,如:
and students don't have to attend classes if they don't want to.
而且如果学生们不想上课的话,他们不一定非要上课。
Just then the bell rang and Mrs. Abrams had to start class.
正在这个时候,上课铃响,爱波伦丝太太要上课了。
We
are
in
class.
希望能帮到你,祝更上一层楼O(∩_∩)O
有不明白的请继续追问(*^__^*)
have
lessons
have
a
lesson
have
classes
have
a
class
如果你是学生,也可以用attend(参加)来代替have
不过要记住,如果class和lesson不用复数形式,就要加a
它们都是可数的
at school,in class,having lessons
我们在上课:We are on class.