1.“Stop ________(talk) and listen to me，”the teacher said to us.
2.You'd better keep the window open when ________(sleep) in summer.
3.She felt sorry for ________(be) late again.
4.The old man used to ________(like) basketball when he was young.
5.He has been used to ________(live) alone.
6.Hainan is in the ________(south) part of China.
7.We all support his ________(science) research.
8.This is an ________(danger)animal. We should try to save it.
9.Smoking is ________(harm) to your health. You must give it up.
10.Tom is ________(strong) in our school.
1.The house is really expensive. I can't a________ it.
2.How much did you p________ for the computer?
3.Remember to turn o________ the light when you leave the room.
4.What do you think of the ________(交通运输)in your city?
5.This kind of material is ________(可重复使用的).Don't throw it.
6.I think it's ________(残酷的) of them to shoot the animals.
7.With the development of ________(工业)，it will cause some pollution problems.
8.The thief was ________(抓住) by the police last night.
9.You will be punished if you break the ________(法律).
10.________(鲨鱼)are very smart animals.
I am Grace Cortese，and I am 10 years old. I believe I can make a difference in __ the environment，because my science teacher，Mrs. Esby，tells us that there are many things we can do to help protect the environment ___ we are willing to change our habits.
Every year at my birthday party，I ___ charitable donations instead of gifts. When I was eight，I asked my friends to donate to the Natural Resources Defense Council to save the polar bears. I __ almost $150.Last year，my friend，Mary，also did that. Imagine how much money we could raise to save the environment if everyone asked for charitable donations __ their birthdays!
My whole ____ is doing things to help protect the earth，too. Our school makes a carpooling (拼车)program to reduce the number of cars on the road，and we have a “Walk to School” day once a year. ____ science teacher，Mrs. Esby，has a “Teenie Greenies” club at lunch and she teaches a class on how to recycle after school. And we __ do beach clean－up.
If you ___ to do something for the environment，look through Grades of Green website. It is __ of great ideas for us to reduce，reuse and recycle waste，and it also has a lot of really interesting facts.
1.A. using B. protecting C. cleaning D. preventing
2.A. even if B. until C. because D. if
3.A. ask for B. look for C. pay for D. send for
4.A. sold B. borrowed C. raised D. rented
5.A. to B. for C. with D. from
6.A. school B. home C. factory D. office
7.A. Her B. His C. Your D. My
8.A. still B. yet C. also D. already
9.A. want B. consider C. enjoy D. refuse
10.A. short B. full C. tired D. fond
Zoos are like ________ textbooks for young people.
A. alive B. ive C. living D. to live
We find ________ hard to do a job very well.
A. this B. that C. it D. these
They were too tired. They decided to stop ________ a rest.
A. had B. having C. to have D. to having
