It was difficult for him to buy good shoes because he had such a big

问题描述:

It was difficult for him to buy good shoes because he had such a big
A.pair B.size C.couple D.number
为什么是A而不能选B size?
It was difficult for him to buy good shoes because he had such a big__ of feet.
A.pair B.size C.couple D.number

a ---- of 这道题是在考固定搭配,big用来障眼的 首先就可以把size排除了 A最合适