Viết lại câu: 1. It was waste of time to write that letter -> I needn't.................................. 2. Although the fish appears to be harmless, it is qiute dangerous -> Contrary.................................. 3. As I didn't know all the facts, I rang the police ->If.......................... 4. She didn't work hard enough, so she lost the job -> The reason.............................. 5. I have no advice, which I can offer you -> I have no.............................. 6. It's a cross-country vehicle with five doors -> It's a five................................. 7. I tried as hard as I could, but I just couldn't get the money -> No matter................................... 8. Have you ever driven this kind of car? -> Do you.........................................? 9. Who wrote this story? -> By........................................... 10. Are you against working on Sunday? -> Do you object................................ 11. When I arrived in China. I wrote a letter home -> On................................... 12. He is on the fìteenth page of the report he's typing -> So far................................ 13. I was on the point of leaving the house when the telephone rang -> I was............................... 14. I never intended to help such a man -> I never had......................... 15. Immerdiately after his arrival, things went wrong -> No sooner.............................. 16.While I strongly disappove of you behavior, I will help you this time -> Despite....................................