1. I think John can finish the work　　　　  (容易地).

2. The mountains will be covered with trees in　　　　  (几年)time.

3. Please take this medicine, or you'll feel even　　　　  (更糟).

4. The book Red Star Over China was    　　  (写)by Edgar Snow.

5. Oh, this coat is too big! It's almost　　　　  (两倍)the size of mine.

1. You could　　   (自愿服务)in a hospital.

2. I'd like to help　　   (无家可归)people.

3. We often visit　　   (小学的，初级的)schools and help the teachers.

4. A girl won a million dollars in the　　   (抽奖).

5. Before you borrow something from a friend，you'd better ask his or her

 　　　　(许可).