第一部分 英语知识运用（共两节, 满分50分）
第一节 单项填空（共20小题；每小题1分，满分20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。
1. — Don’t be mad at me. I’m only five minutes late.
— This is the last time I’m waiting for you._______.
A. I make it B. I put it C. I mean it D. I get it
2. It's not what you do once in ____ while but what you do day in and day out that makes ____ difference.
A. the ; / B. / ; a C. a; a D. the; a
