I.单项填空（共15小题；每小题1分，满分15分）
从每小题所给的A、B、C、D四个选项中选出一个可以填入空白处的最佳选项。
1. —I’m worried about tomorrow’s English exam.
—_______________. I’m sure you will make it.
A. Bad luck B. What a pity
C. Take it easy D. Don’t mention it
2. It’s widely accepted that every tourist should have good _______________.
