上课是:have classes 为什么句子时就变成了:they are having a class
上课是:have classes 为什么句子时就变成了:they are having a class
他正在上课吗是Is he having classes?还是Is he have a class?为什么
上课是用 have class还是have classes
__ __are they having?They are having a music class.
They are having a biology lesson now 变成同义句 They are () a bio
we don't have a Chinese class today,they are having an Engli
i think they are having a physics class.改为否定句
What class are they having
The teachers are having a meeting.变被动句时have为什么成了held
have a class,have classes哪个是正确的?
Let's have a talk和They are having a conversation.为什么一个用have一
是having happy they are 还是have happy they are