题目内容：

48.There are four pairs of socks to ______,but the woman doesn’t know ______ to buy.
A.choose from; which B.choose from; what C.choose; which D.choose ;what
我的想法和大家一样，为什么？

优质解答

如果是 four pairs of socks to choose,是选四双袜子,
而four pairs of socks to choose from,是表示四双中挑出一双或者几双.
有四双袜子供挑选,但那个女人不知道该选哪双.