My father bought me mp3 but I lost mp3 yesterday.A. an theB. an anC. the theD. the

问题补充：

My father bought me mp3, but I lost mp3 yesterday.

A. an, the

B. an, an

C. the, the

D. the, an

答案：

(答案→)A. an, the

B. an, an

C. the, the

D. the, an

解析：考查冠词。句意：我父亲给我买了个mp3，但是昨天我丢了这个mp3。结合语境可知前文泛指任何一个mp3，下文特指前面买的那个mp3，故选A。