问题
选择题
---What would you do if _________ eighty-year-old man fell down in front of you?
----I don’t know. Maybe I will help him.
A．a
B．an
C．the
D．/
答案
答案：B
题目分析：句意：如果一个80岁的老人在你面前摔断，你会怎么做？我不知道，我可能会去帮他。单词eighty读音是以元音音素开头，用冠词an,故选B。