题目;Rewrite the following sentences ,using Inversion.1,If I had not listened to the speeches,I would not have realised that many of the things I do every day are bad for the environment.2,I do not buy products that cause pollution.Most people I know do not buy them,either.3,If you had not lent Bob any money ,nothing would have happended.4,I have never seen such beautiful scenery in my lefe.5,If we had known that you were in hospital,we would have come to see you.6,She had hardly sat down to have a rest when the doorbell rang and in come Allan.7,If I had not been there when the accident occurred ,I would not have believed it .8,Irealised that I was wrong only after the experiment.9,The local government decided to move the factories that caused serious pollution only after the meeting.10,He had not finished writing his report on environmental protection until late last night.