Why shouldn’t I buy a new coat — I haven’t bought for five years.A. itB. thatC. oneD. whi

问题补充：

Why shouldn’t I buy a new coat — I haven’t bought for five years.

A. it

B. that

C. one

D. which

答案：

A. it

B. that

(答案→)C. one

D. which

解析：one 指 a coat。比较：it = the +名词，one = a+名词，换句话说，it 是特指的，而one 则是泛指的。