根据句意及首字母补全单词，使句意完整。

1. Tom's mother was ill, so he had to b_____  his little brother.

2. I often go h_____ to the mountain twice a year.

3. He got a p_____ from the post officer.

4. H_____ and Marco are SARs (特别行政区), they are parts of China.

5. —Hawaii has many places of interest, let's go s_____. —Good idea.

6. It's far from the Summer Palace, why don't you r_____ a bike?

7. It's Monday tomorrow. Don't f_____ to bring you homework.

8. If you don't have your own car, you can r_____ one to drive.

9. Yao Ming is one of the most f_____ basketball player all over the world.

10. My grandfather is a farmer. This summer, I am going to visit him in the c_____.