Minh Tran, October 22.

Why should we (21) _______ trees? (22) ______ they change lives. Trees give food to people and animals. We need trees to build houses and schools. We burn wood from trees to keep (23) ______ in the winter. Trees help to keep our environment clean and green. Volunteers from Trees for the Future work with (24) ______ and community groups to plant trees. We also help people grow special forest gardens with fruits and vegetables. We help people all around the world have better lives by planting trees. You can help, too, by (25)_______ money on the Trees for the Future website. Every dollar you donate can buy a new tree.

1. A. eat B. wear C. plant                       D. put 
2. A. Because B. So C. And                        D. Or  
3. A. hot B. cold C. freeze                      D. warm
4. A. children B. farmers C. workers                   D. labours
5. 25. A. giving donating                 C. contributing            D. saving