Ⅰ. 根据句意及首字母提示完成单词(10分)
1. It is important to study g _____ so that we can understand the environment we live in.
2. To be healthy, we should take more p _____ exercise.
3. We were all p _____ at the meeting last week.
4. —Who was a_____ yesterday?
—Daming didn’t come to school because of illness.
5. I’m very shy. So I’m afraid of making a s_____ in front of others.
