15.　 A. hardly　 B. usefully　 C. carefully　 D. finally

E

I can’t remember when I started collecting litter. But it was when I got tired of ___1___ litter nearby and realized that no one else was going to pick it up.

I live ___2___ a forest in Ohio, America. I can walk there ___3___ three minutes.

I used to love going there to play with my dog. But one day there was ___4___ much litter there that I became very unhappy.

I decided I had to clean up the forest. I wanted to __5__ happy going there again.

I ___6___ my first trip to clean the forest that afternoon. I took a big black rubbish bag with me.

Ten minutes ____7_____ starting to pick up litter, my bag was full! It had cans, _____8___, broken glass and newspapers in it.

From then on, I ___9____ to the forest four times a year to pick up litter. I’m often there for three hours. It makes me feel ____10____ to do something for the environment.

After each trip, I look at all the litter___11___ I’ve found. If __12___ of it is recyclable, I keep it.

I ___13___ understand why people drop litter. But I will keep picking it up __14___ they stop dropping it.

I know I am only doing a small bit ___15_____ the Earth, but I still think it is important.

14.　 A. or　 B. because　 C. neither　 D. nor

13.　 A. age　 B. family　 C. plan　 D. husband

12.　 A. working　 B. dying　 C. living　 D. growing

11.　 A. bigger　 B. smaller　 C. stronger　 D. cleaner

10.　 A. floors　 B. kitchens　 C. windows　 D. rooms

9.　　　 A. but　 B. until　 C. since　 D. so

8.　　　 A. drivers　 B. workers 　C. farmers　 D. visitors

7.　　　 A. keep　 B. enjoy　 C. stop　 D. help

6.　　　 A. years　 B. months　 C. weeks　 D. days