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

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

A. a, an(答案→)B. an, aC. a, aD. 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。

哦，回答的不错