Paul made a nice cage ______the little sick bird till it could fly.

A. keep B. to keep C. keeping D. kept

——Sam, can you tell me ______?

—Try Music World on Huangyuan Street

A. why to buy a CD B. where to get a CD

C. how to choose a CD D. when to record a CD

In 1992, Zhalong Nature Reserve _____ one of the world’s most important ______.

A. become； wetland B. became; wetlands

C. became； wetland D. become; wetlands

If you______ your name on the paper, you can get a magazine.

A, cut down B. look down C. turn down D. write down

This kind of watermelons looks______ and sells ______in the market

A. well； good B. good； good C. good； well D. well； well

Do you know about 70 per cent of our earth _____ water?

A. is covering with B. are covered with

C. are covering with D. is covered with

Do you need more people _____ you _____the birds?

A. help； to count B. to help； counts

C. to help； count D. help； count

There _____lots of fish in this river, and birds catch ______for food.

A. are, them B. are , it C. is, it D. is , them

I think ____necessary for us _____the birds.

A. it , protect B. its, to protect

C. it’s , protecting D. it , to protect

The population of the world is growing. People will not have _____to live in the future.

A. enough space B. enough spaces C. space enough D. many space