Question

【题目】Jack is 18-year-old boy and he became university student 2 years ago.

A.an; aB.a; anC.an; an

Answer 1

【答案】A

【解析】

句意：杰克是一个18岁的男孩，两年前他成了大学生。

考查不定冠词。an后接元音音标开头的单词；a后接辅音音标开头的单词。根据18-year-old中的eighteen是元音音素开头，故填an；根据university发/ju/，是辅音音素开头，故填a。故选A。