1. two days journey 2. the room's walls 3. the week days 4. my daughter's helen birthday 5. the book pages 6. seven years work 7. the earth's surface 8. the commander-in-chief's orders 1. this is my friend's bag 2. it's the actress' career 3. this is mrs. brown's signature 4. these are students' mistakes 5. it's a women's club 6. it's a girls' school 7. this is guests' room 8. this is james' umbrella 9. it's mike's cafe 1. i can't see the box's bottom 2. the ship crew was small 3. it's no one's fault 4. do you like eliot's poetry? 5.that's the table leg 6. where's the car key? 7. the carriage's sound was heard
Many wildlife habitats will be destroyed if man keeps polluting the environment. 2. If we dump all sorts of chemicals into rivers, we will not be able to swim in them in the future. 3. If we do not stop cutting down so many trees, we will endanger our oxygen supply. 4. Soon the Earth’s resources will be exhausted if the human population continues to grow. 5. If everybody continues to use aerosols and CFCs, the hole in the ozone layer will get bigger. 6. If the sun radiation can’t escape into space, Earth’s temperature will increase steadily. 7. If the global temperature rises, sea levels will rise too. 8. We’ll threaten our own existence if we do not cut down on waste rapidly. 9. People will run out of drinking water one day if they do not use it more rationally. 10. If he wants to help the planet, then he has to change his habits
