根据句意，用括号内所给中文或单词的适当形式填空。
1. ______ new car is stopping at the gate? (who)
2. December is the ______ month of the year. (twelve)
3. There are a lot of ______ in the shop on Sundays. (shop)
4. We all sang______when Daniel got the award. (happy)
5. The people there are very______to us. (help)
6. Yaoming is one of the best basketball______in the world. (play)
7. We should have a ______diet, it's good for our body. (health)
8. He was sure the sound came from the bushes.
He searched ______. (careful)
9. We eat 27,000 kilos of food during our lives.
That's the ______ of about six elephants. (weigh)
10. Please brush your teeth with your tooth brush______a day. (two)
11. The China Science and Technology Museum is______on Monday. (close)
12. Does the school library have many ______? (shelf)