Dave is honest boy. We can believe him.A. aB. anC. theD. /

问题补充：

Dave is honest boy. We can believe him.

A. a

B. an

C. the

D. /

答案：

A. a

(答案→)B. an

C. the

D. /

解析：第一次介绍某人，用不定冠词，而honest的首个音标为元音音标，故选B