Ⅰ. 从A、B、C、D四个选项中, 选出可以填入空白处的最佳选项, 并在答题卷上将该项涂黑。
1. Many people have come to realize that they should go on _ balanced diet and make ____ room in their day for exercise.
A. a;/ B. the; a C. the; the D./;a
2. ______there is little we can do to modify the weather, we can at least know what kind of weather to expect.
A. Since B. When C. While D. Unless
3. The sale usually takes place outside the house, with the audience __________ on benches, chairs or boxes.
A. having seated B. seating C. seated D. having been seated
