问题
选择题
Look! There is a whole crowd of people over there.Go and see what __________ and if it is a bargain,buy it.
A.is selling
B.has been selling
C.is being sold
D.has been sold
答案
C
题目分析:句意:看!那边有一群人,去看看在卖什么,如果便宜就买。根据句意是说话的时候正在卖什么,用现在进行时,而且what和sell是被动关系,用现在进行时的被动语态,所以选C。