请根据所给首字母或中文提示，写出单词在句中的正确形式。每空只能填一词。
1. My brother's schoolbag is small, but Jim's is b______.
2. Look! That is my lovely c______. It's running after a mouse.
3. Please o______ the door and come in.
4. Miss Qin is a good t______. She teaches English well.
5. Don't ride your bike too f______ in the street. It's very dangerous.
6. Boys and girls, please take out your ______ (钢笔) and write down the new words.
7. — How about this ______ (红色的) skirt? — It's vey nice. I will take it.
8. A girl from a primary school in Guilin was very ______ (幸运的) to get a free ticket
to the 2010 World Expo in Shanghai.
9. When you ______ (接受) a present, you must use both hands. It's a traditional custom in China.
10. The villagers ______ (庆祝) the Dragon Boat Festival by having a dragon boat race last Wednesday.