一、单项填空 (共15小题;每小题1分,满分15分)
从A、B、C和D四个选项中,选出可以填入空白处的最佳选项。
1. —What do you want to be when you grow up,Eric?
—I want to be__________ university professor. That’s my dream.
A. a B. an C. the D. \
2. Neil Armstrong was interested in flying __________ a very young age. He received his student pilot’s licence when he was 16.
A. from B. in C. on D. at