We have sweater at a very good price 改为一般疑问句

We have sweater at a very good price 改为一般疑问句 we have sweater at a very good price为什么用at? we have sweater in a very good price 改错 We have sweaters at a very good price ------only 25 We have sweaters at a very good price-only 25 we have sweaters at a very good price . You can have a sweater at good price.(改错） They have sweater ______a very good price we will have a good time there.改为一般疑问句 We have sweaters at a very good price-only25.句中的at怎么理解 we have a computer at a very good price ,but he can't a[ ] i WE HAVE GOTA A COMPUTER AT HOME 改为一般疑问句