did you buy any of the sweaters we are on sale这套

The sweaters are on sale 还是on the sale for 40 yuan The green sweaters ___49 yuan.A.is on sale.B.are on sale.C.a 55.The CDs are on sale!Buy one and you get ______ completely 1.The CDs are on sale!Buy one and you get ____ completely fr The CDs are on sale!Buy one and you get completely free.ks5u The CDs are on sale Buy one and you get _____ completely fre The books are on sale!Buy one and you will get ( ) completel we are pleased to offer you a sole agency for the sale of ou we are putting on our sweaters是什么意思 which books did you buy?the books which are on the counter 完 These pens are on sale,and you'd better buy some.为什么用on 介词填空 All the things ( ) the store are ( )sale.We buy bags (