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
I think ____necessary for us _____the birds.
A. it , protect B. its, to protect
C. it’s , protecting D. it , to protect
There _____lots of fish in this river, and birds catch ______for food.
A. are, them B. are , it C. is, it D. is , them
Do you need more people _____ you _____the birds?
A. help； to count B. to help； counts
C. to help； count D. help； count
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
This kind of watermelons looks______ and sells ______in the market
A. well； good B. good； good C. good； well D. well； well
