Use the correct form of the word.
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.
Trả lời câu hỏi dưới đây:
_____ (5. help)