Question

【题目】What __________ unusual thing it is for me to find __________ UFO!

A. a; a B. an; a C. an; an D. a; an

Answer 1

【答案】B

【解析】

试题分析：句意：对我来说发现一个飞碟是多么罕见的事！unusual是元音音素开头，故用不定冠词an来修饰unusual thing。UFO是辅音音素开头，故用不定冠词a来修饰。故选B。