I’m expecting a digital camera for long but dad has no time to buy for me. A. itB. oneC.

问题补充：

I’m expecting a digital camera for long, but dad has no time to buy for me.

A. it

B. one

C. this

D. that

答案：

A. it

(答案→)B. one

C. this

D. that

解析：代词辨析。one 泛指，one与所指名词为同类，但不是同一个；it表示特指，而it与所指名词为同一个。根据本句句意：我一直想要一台数码相机，但爸爸没有时间给我买一台。应该选B。