be on a good price 还是 be at a good price

be on a good price 还是 be at a good price at a very good price be动词at a very good price前要加be动词不?如：these apples are at a very good price, at a good price还可写作什么 at a good price at a good price 还是 for a good price we have bags () sports () a good price.中填什么介词we have bags ( ) sports ( ) a good price.A.on;atB.for;atC.in;atD.at;on 价格合理是at a good price还是at good price you can buy those pens ( )a good price.A.at B.in C.on We buy a book _a good price A on B to C for D at单选哦 They have nine socks ------------a good price.A.for b.at c,in d.on 选择：They have nice socks( ) a good price of $2.for?at?in?on? be assessed at a price We have bags_____sports_____a good price.A,on;at.B,for;at.C,in;at.D,at;on a good price前面填那个介词 at a very good price怎么使用? at a very good price翻译 we have many things *** a good price “on”能与“price”搭配吗?比如：in a lower price 还是 on a lower price