would you like to have a look at some jeans?.
问题描述：
would you like to have a look at some jeans?.
would you like to have a look at some trousers?they may fit you well.
well,i'd like to try those blue _____.
A.pairs B.ones
这里为什么选A不选B?
答
trouser一般以复数形式出现,通常表示一件是以a pair of作为数量词.并且一般不以one作为其代词使用.