问题补充:
—Can I help you?
—I’d like to buy a present for my father’s birthday,at a proper price,but of good use.
A. that
B. one
C. it
D. which
答案:
A. that
(答案→)B. one
C. it
D. which
解析:考查代词:A.that特指前面的可数名词单数或是不可数名词, B.one泛指前面的可数名词单数, C.it特指前面的同类同物, D.which引导定语从句,句意是:--要我帮忙吗?--我想为父亲的生日买个礼物,一个价格合理但很有用的礼物。选B。