This is old watch. Could you give me new one?A. a aB. an aC. an anD. a an

问题补充：

This is old watch. Could you give me new one?

A. a, a

B. an, a

C. an ,an

D. a, an

答案：

A. a, a

(答案→)B. an, a

C. an ,an

D. a, an

解析：本题考查的是不定冠词a或an的用法，an 是用于首个音标为元音音标的单词，比如old，而a 则用于首个音标为辅音音标的单词，如：new，故选B