C. Writing. Write the conditional sentences from the following statements. 1. We will plant more trees. The air will be fresher. ®If we _________________________________________________________________ 2. We will use fewer cars. We will reduce pollution. ®If we _________________________________________________________________ 3. We will cycle to school every day. We will keep fitter. ®If we _________________________________________________________________ 4. We will use recycled products. We will save money. ®If we _________________________________________________________________ 5. People will throw rubbish into the right bin. They will keep the environment clean. ®If people ______________________________________________________________ 6. We will turn off the tap when brushing the teeth. We will save a lot of water. ®If we _________________________________________________________________ 7. People will travel more by public transport. The harmful gases in big cities will be reduced. ®If people ______________________________________________________________ 8. We will start at six. We will arrive there before noon. ®If we _________________________________________________________________ 9. The boy eats so many green apples. He will be ill. ®If the boy ______________________________________________________________ 10. We will use reusable bags for shopping. We will reduce waste. ®If we _________________________________________________________________ VI. Change these sentences into negative or interrogative. 1. I watched TV last night. (-) I didn’t .................................................................................................................................. 2. He played tennis with his brother. (?) Did he ................................................................................................................................... 3. She wrote a letter to her pen pal. (?) Did she ................................................................................................................................. 4. They visited Ha Long Bay. (-) They didn’t........................................................................................................................... 5. Sue and Sie went to school late yesterday. (-) Sue and Sie didn’t ............................................................................................................... VII. Write the questions for these sentences. 1. I went to Ha Noi yesterday. ® Where .................................................................................................................................? 2. I went to Ha Noi by bus. ®How......................................................................................................................................? 3. I went to Ha Noi with my parents. ®Who......................................................................................................................................? 4. We bought a new house last week. ®What.....................................................................................................................................? 5. We went home late in the evening. ®When..............................................................................?