Ⅲ. 用括号中所给单词的正确形式填空
1. The man has to risk ________ (lose) all his money to save this company.
2. Our government warns us ________ (not cut) down trees, or we'll be punished.
3. It's ________ (possible) for a one - year - old child to climb over a two - metre - high wall.
4. It's ________ (mean) to work as a volunteer at community centres at the weekend.
5. Of all the seas in China, South Sea has ________ (rich) resource of oil.
6. They were not sure if there were any ________ (survive) after the earthquake.
7. It's ________ (polite) to ask women about their age in many areas.
8. In the 12th Special Olympics World Games, Li Hai finished ________ (two). He felt he has become confident.
9. Dr Smith has done three ________ (operate) today. He looks a little tired now.
10. I promised Tom I would keep the secret to ________ (I) so I can't tell anything to you.
11. The plan for holding a class meeting this Friday is still under ________ (discuss).
12. This is the ________ (simple) way to deal with this Maths problem.
13. If you want to invite somebody, please write down those ________ (guest) names.
14. There are some very beautiful cities in the ________ (south) part of Jiangsu.
15. Jerry was so careless that he gave an ________ (correct) answer at last.

losing
@@not to cut
@@impossible
@@meaningful
@@the richest
@@survivors
@@impolite
@@second
@@operations
@@myself
@@discussion
@@simplest
@@guests'
@@southern
@@incorrect

Ⅳ. 用方框中所给单词或短语的正确形式填空

1. —Shall we go for a picnic tomorrow?
—It ________ the weather. We'll have to give up the plan if it rains.
2. We may get ill or die if we drink the ________ water.
3. If we don't take action right now, natural resources ________ sooner or later.
4. After three hours' walking, we ________ and don't want to do anything.
5. A true friend always ________ you whenever you are in trouble.
6. Our new business ________ new markets in Europe and America over the past three months.
7. As middle school students, we should use mobile phones ________.
8. The ________ and writing skills are necessary for future study.
9. Our teachers always spend much time ________ the main points patiently in class.

depends on
@@polluted
@@will run out
@@are tired out
@@supports
@@has opened up
@@properly
@@communication
@@explaining