Do you have a discount __ the clothes?I hope I can buy them __a 20% discount.A.on;of B.on;at
问题描述:
Do you have a discount __ the clothes?I hope I can buy them __a 20% discount.A.on;of B.on;at
答
选B
have a discount on
什么东西上有折扣
at a 20% discount
打八折~