1 . ________ possible, I will take up a new position. （用适当的词填空）

2 . I was having breakfast with my three children _________ water started filling my home. (用适当的词填空)

3 . Remove clothing using scissors if necessary __________ it is stuck to the burn.（用适当的词填空）

4 . 根据课文内容填词，注意必要的地方进行单词变形。
1. Today’s festivals have many origins: some are __________(religion), some seasonal, and some for special people or events.
2. In the USA, Columbus Day is in memory of the __________(arrive) of Christopher Columbus in the New World.
3. Well, he was not going to hold his __________ for her to apologize.（根据句意拼写单词）
4. It was __________ that the manager of the coffee shop was waiting for Li Fang to leave.（根据句意拼写单词）
5. The __________(host), a very thin lady, came forward.
6. He could not have Yong Hui getting away __________ telling people lies.
7. I found your menu so __________(limit) that I stopped worrying and started advertising the benefits of my food.
8. Perhaps we ought to __________(结合) our ideas and provide a balanced menu with food full of energy and fibre.
9. At this moment, they see a penniless young man __________(wander) on the pavement outside their house.
10. The fact is __________ I earned my passage by working as an unpaid hand, which accounts for my appearance.
11. That one is __________(reserve). This way, please.
12. Well, we’ll have to take __________ chance.
13. As __________ the bill, sir, please forget it.
14. The continued presence of water allowed the earth to dissolve __________(harm) gases and acids into the oceans and seas.
15. They laid eggs too and __________(exist) on the earth for more than 140 million years.
16. Walking does need a bit of practice __________(既然，因为) gravity has changed.
17. People say it is Canada’s most beautiful city, __________(surround) by mountains and the Pacific ocean.
18. That after __________(在……上) the train, the cousins settled down in their seats.
19. There was frost on the ground, __________(confirm) that fall had arrived in Canada.
20. It is __________(approximate) four hundred kilometers northeast of Toronto.

5 . 阅读下面短文，在空白处填入 1个适当的单词或括号内单词的正确形式。

The giant panda     1     (love) by people throughout the world. Chinese scientists     2     (recent) had a chance to study a wild female panda with a newborn baby. She was a very     3    (care) mother. For 25days, she never left her baby, not even to find something     4     (eat)! She would not let any other pandas come near. She licked the baby constantly to keep it clean. Any smell might attract natural     5    (enemy) that would try to eat the little comforting panda. The mother held the baby in her front paws much the way a human does.     6     it cried, she rocked it back and forth and gave it little comforting pats. The mother continued to care for the young panda     7     more than two years. By that time, the panda no longer needed     8    (it) mother for food. However, it stayed with her and learned about the ways of the forest. Then, after two and a half years, the mother     9     (drive) the young panda away. It was time for her to have a new baby,     10     it was also time for the young panda to be independent.