Rewrite sentences 1. Unless we project the environment, we will destroy ourselves. If........................................... 2. Unless she is more hard-working, she will get low marks. If............................................ 3. Unless he listens to his parents, he will fail. If............................................ 4. They began watching the movie one hour ago. They have........................... 5. He last cried ten years ago. He has................................ 6. This is the first time he went abroad. He hasn't............................. 7. She started driving 1 month ago. She has................................... 8. We began eating when it started to rain. We have................................... 9. Nam likes watching television Nam is....................................... 10. It's the first time that I have ever talked to the foreigner. I have......................................