What will the city of the future look like? No one knows for sure, and making1.______(predict) is a risky business. But one thing is certain-they are going to get bigger before they get smaller. In the future, care for the environment will become very important 2._______earth’s natural resources run out. We will use lots of3._______(recycle) materials, such as plastic, steel, glass, wood and paper, and we will waste fewer natural4._______.We will also have to rely more5. _______ alternative energy, such as solar and wind power. All this seems certain, but there are plenty of things about city life in the future 6. _______ are not certain.

Eating habits ____ from country to country. One man’s meat can be another man’s poison.

The decorations were absolutely beautiful and _________, the children had made them themselves.

He went to the station hurriedly only ______that the bus had gone away.  

Don’t tell a lie any more, ______ most people will lose faith in you.

The island is ______ the mainland by the bridge built ten years ago.

— Excuse me, could I put off this plan?

— You have no right to refuse it, and just _________.

 — Mary, you should say sorry to your brother immediately.

— _________; I did nothing wrong.

—Jack, you water the flower today, ___?

— But, dad, I watered it yesterday.

Dream of the Red Chamber is _____ worth _____ because we can learn a lot about the noble families in the feudal society.