题目内容：

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