Match the words 1-7 and A-G. Write down seven combinations of numbers and letters with a comma (,).

Example answer: 1A, 2B, 3C, 4D, 5E, 6F, 7G

1. plant A. cans
2. teach B. a pond
3. collect C. the cycle of life
4. clean out D. rubbish
5. build E. the air pollution
6. recycle F. nesting boxes
7. reduce G. flowers