In today's world, people spend a lot of money on appearance because they want to look younger. Why does this happen? Do you think this is a positive or negative development? Give reasons for your answer and include any relevant examples from your own knowledge or experience. Write at least...
()3. Dirty air is more noticeable___ the fumes and the waste. A. becauseB. forC. asD. because of ()4. —Why do you plant so many trees around your house? —Because trees can___ CO2. A. turn intoB. burn upC. give outD. take in ()5. —I think C...