Checkcarrots,potatoes,onionsandanyothervegetables

問題詳情：

Check carrots, potatoes, onions and any other vegetables ______ and immediately use or throw away any which show signs of rotting.

A. in demand              B. in store                 C. on loan          D. on sale

【回答】

B

知識點：介詞

題型：選擇題