Therearesomanykindsofshoesintheshop.Ican’tdecide      ...

问题详情：

 There are so many kinds of shoes in the shop. I can’t decide        .

        A. what to buy       B. which to buy    

        C. when to buy       D. how to buy

【回答】

B

知识点：非谓语动词

题型：选择题