Give the correct form of the words to complete the following sentences
John watched a (1. document) on TV last night. It was all about the problems (2. threaten) our environment. He was shocked to find out how little he knew about (3. globe) warning or acid rain. He had heard the term before but he knew (4. practical) nothing about the damage they cause to our planet. He feels he should do something to be (5. help). He would like to join an (6. organize), but he doesn't know which one to join. He has seen so many (7. advertise) in newspapers that he can't make up his mind. However, he believes that it is (8. acceptable) not to be environmentally aware and he is (9. hope) that one day everyone will be part of a world movement to save the earth. He was sure that in this time of (10. technology) advances, we find some way to solve the world's problems.
