He has thrown away his old shoes.He’ll have to buy .A. a new oneB. a new pairC. some new p

问题补充：

He has thrown away his old shoes.He’ll have to buy .

A. a new one

B. a new pair

C. some new pair

D. a new shoes

答案：

A. a new one

(答案→)B. a new pair

C. some new pair

D. a new shoes

解析：shoe是一双双的，这里意思是：他将要买一双新的。