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