根据下列句子中所给的汉语意思，写出空缺处备单词的正确形式（每空一词）。
1. Now it's time to ______ (打扫) the classroom.
2. I decided to work hard to ______ (提高) my English.
3. Dumplings are my favorite food because they are ______ (美味的).
4. You always get up ______ (晚). It is bad for you.
5. There are two old ______ (桥) in my city.
6. —Your brother speaks good English !
—Yes, he often ______ (练习) speaking English in the morning.
7. The girl is too ______ (害羞的) to speak to anyone.
8. I like to ______ (停留) at home and watch TV.
9. We have friends all over the ______ (世界).
10. He works in a school near a ______ (山).
