7.　 He returned right after the clock s_____________ two.

6.　 The firefighters ran quickly to r____________ the people trapped in fire.

5.　 Believe it or not, many successful people were ____________(顽皮的) when they were young.

4.　 Many museum were ______________ (毁坏)during the war.

3.　 I hope you can finish writing the paper before the Monday _______________.(截止日期)

2.　 I was offered a good job. It is a great _____________(机会) for me.

1.　 The little boy was sent to hospital because he __________(吞下) down a coin.

12.　 Eco-travel is a form of travel that c_____________ normal tourism with learning.

Unit 4　 Book 1

11.　 In summer, you should wear a hat to p____________ yourself from the sun.

10.　 Are you willing to spend your v_____________ on a bus, or do you want to try hiking?