Question

（天津六校一聯(lián)模擬）A wide range of postcards and other souvenirs are ________ sale in the visitors' center.

1. A.
   on
2. B.
   at
3. C.
   in
4. D.
   of

Answer 1

A
句意：各種各樣的明信片和紀(jì)念品在游客中心出售。on sale--(esp of goods in shops, etc) available to be bought（尤指商店等的貨物）出售，上市。又如：The new model is not on sale in the shops.這種新款式商店還沒(méi)有賣。