英语：the pair of shoes () old .please buy a new ().A is one B are one C is pair D are pair要说为
问题描述：
英语：the pair of shoes () old .please buy a new ().A is one B are one C is pair D are pair要说为
答
A
the pair of shoes (is) old .please buy a new (one)
这双鞋旧了,请买一双新的.
这里的主语是一双鞋,所以用单数,one是代词,代替前面的一双鞋.可答案是C呢不好意思，one代指的是一只鞋，所以要用双，a new pair (of shoes),后面省略了of shoes。