IV. Change into passive from 1. Someone might steal your bike if you leave it outside. ……………………………………………………………. 2. You ought to knock down the old building. ……………………………………………………. 3 People don’t use this dictionary very often. ………………………………………………. 4. They told me that our teacher was sick. ……………………………………………….. 5. Mr Nam has just painted a beautiful picture . …………………………………………………… V. Rewrite the following sentences without changing the meanings 1. I hope to receive a letter from my parents. I am looking ............................................... 2. She helps me do all difficult exercises. I ................................................................. 3. This city had old building, but none can be found nowadays. There used ................................................................................... 4. When did your father begin to work in this company? How long ......................................................................? giúp mik vs mik cần gấp ạ