phần a

1-T     2-T     3-T     4-F     5-T

phần b

1. It means to have a good effect (on people's life) and to make the world a better place.

2.They plant trees to make a garden for the community.

3. It will create a clean environment for all the people. IF s free and there will be a lot of trees in the garden. People can walk and enjoy fresh aử here. Children can play in the garden and iFs a really good environment for the community.

ex 2

Nouns:help, benefit, volunteer, plants

Verbs:donate, help, benefit, volunteer, recycle, plant, provise, clean, encourage

Adjectives:clean, environment

ex 3

1- volunteer

2- homeless people

3- donates

4- community service

5- make a difference

cho mik xin ctlhn na thank you!

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