B. Fill in the blanks with words from Part A.
1. How much____ do people need to stay healthy?
2. Does listening to music hurt your____, or does it help you study?
3. The noise from the classroom next door was a/an____.
4. She needs a vacation because she has had a lot of___ lately.
5. They competed in a golf___ last week.
6. He walks to work every day to stay____.
7. Top athletes are in great shape physically, but they also need____ strength.
8. When students take tests, they need to____ out all the noises and activity around them.
9. It is dangerous to____ into shallow water.
10. The advanced course was very____, but the students did well.
11. It is important to____ before running or playing a sport.
12. They____ four times a week to stay in shape.