99.Which pair of shoes do you prefer?I prefer the black_______.

问题描述:

99.Which pair of shoes do you prefer?I prefer the black_______.
A.one B.ones C.pair of D.one pair

选A
因为它问的是你喜欢哪一双鞋,只有一双,所以要用单数,代指the black pair of shoes,以避免重复.
不选C和D,因为C不完整,不能作宾语,D因为前面已经有定冠词the,所以后面不应该有相当于冠词作用的one.