单词拼写。根据下列句子及所给单词的首字母，写出各单词正确的完全形式（每空限写一词）。
1. This cake t_____ delicious. Would you like a try?
2. Lucy was badly hurt in a traffic a_____ last week.
3. Yesterday Michael a_____ to his boss for being late.
4. These books b_____ to Sarah-I must give them back to her.
5. Mum is cooking in the k_____ while Dad is watching TV.
6. About 71 percent of the earth's surface is c_____ by water.
7. I u_____ go to bed at 10:00 p.m., but I stayed up till 11:00 last night.
8. Plants and a_____, including humans, need food and water to survive.
9. He was p_____ of the Olympic Gold Medal he won for his country.
10. Each student is allowed to borrow two books at a time from the school l_____.