Your shoes are worn out.You'd better buy a new ___.A one B shoes C pair D shoe为什么不用One?

问题描述:

Your shoes are worn out.You'd better buy a new ___.
A one B shoes C pair D shoe
为什么不用One?

因为鞋子是一双一双的所以要用pair

C buy a new pair 买一双新的
one代替前面的单数,鞋是一双,所以不能用 one