1. A. recycle B. environment C. charity D. invite
2. A. paper B. bag C. plastic D. natural
3. A. cousin B. cycle C. encourage D. container
4. A. breathing B. green C. breeze D. bread
5. A. saved B. polluted C. enjoyed D. reused
6. A. machine B. hi-tech C. locate D. cable
7. A. watched B. dropped C. washed D. traveled
8. A. notebook B. hoping C. cock D. potato
9. A. space B. draw C. automatic D. more
10. A. cheap B. machine C. watch D. children
11. A. robot B. role C. coffee D. comb
12. A. minor B. simple C. recognise D. climb
13. A. planet B. station C. space D. face
14. A. dressed B. stepped C. talked D. played
1a 2c
1c
2a
3c
4c
5