为什么The clothes are （ ）twenty Yuan的答案是on sale?

为什么The clothes are （ ）twenty Yuan的答案是on sale? The green sweater(are on sale for ）40 yuan The shorts on sale are only 20 yuan.和The shorts are on sale the clothes are （） sale .填介词 the pens are just on sale ( )three yuan The red shorts are on sale at 25 yuan 改错 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 our clothes are on sale.anybody can ( )the prices Thhese clothes are on sale.(改为同义句） These clothes are on sale.同义句 英语翻译Come in Super Clothes Store.The clothes are on sale.You