一、单项填空 （共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项
涂黑。
1. —Dad, I will try to study in an ideal senior high school. Believe me.
—If you make a ______, you must keep it.
A. joke B. design C. mistake D. promise
2. The underlined letter “i” in the word “______” has a different pronunciation from the others.
