根据所给汉语提示或首字母填写词的适当形式，完成下列句子
（共15小题；每空1分，满分15分）
1. The boss needed many employees, so he decided to h      some.
2. The farmer had only twenty   (牛) left after the serious snowstorm on the farm.
3. The editor said that the book would be improved by     (插入) another chapter.
4. From 1842 to 1940 Angel Island was a famous immigration station where many
Chinese people a        for right to live in USA.
5. I’m sorry to b     you, but can you show me the way to the railway station?
6. Cloning is a way of making an e     copy of another animal or plant.
7.When we describe something very light, we say "as light as a        (羽毛)". 
8. His opinion d       entirely from mine, so I had to change mine.
9. In case of fire, please d     119.
10. The doctor felt the child’s f     and found the fever was gone.
11. He kept         ( 轻敲) his fingers on the table.
12. P      experience is better than theoretical knowledge
13. He works in a small firm and lives on his wages（工资）. How can he makeaf ?
14. Could you lend me 20 yuan? I left my w      at home.
15. The police worked out a plan to catch        (小偷) in the whole city.