题目内容：

--Are they ( ) buuks?No,they are not .--They are ( ) buuks.

优质解答

不知道你是不是写错单词了
要是你的buuks 写成books的话 可以是
Are they buying books?他们在买书吗?
No,they aren't.不,
They are selling books.他们在卖书
其实可以有好多种答案的