Jim is honest boy in my class. He bought me useful book as a birthday present.A. a anB.

问题补充：

Jim is honest boy in my class. He bought me useful book as a birthday present.

A. a, an

B. an, a

C. a, a

D. an, an

答案：

A. a, an

(答案→)B. an, a

C. a, a

D. an, an

解析：句意：吉姆是我班上一个诚实的男孩，他给我买了本有用的书作为生日礼物。Honest诚实的。其读音以元音因素开头，字母h不发音，故用冠词an；useful有用的，读音以辅音因素/j/开头，故用冠词a。结合语境故选B。