1. Choose the appropriate tense-forms: the Past Perfect Simple, Past PerfectContinuous

1. Choose the appropriate tense-forms: the Past Perfect Simple, Past PerfectContinuous or Past Simple.
1. He turned off the electric light. It had been burning/had burnt allnight.2. Nobody bothered to inform me that the school decided/had decidedto have a special holiday that Friday.3. Paul offered/had offered me another drink but I decided I drank/had drunk enough.4. I knew I did/had done well in my exams even before I received theofficial results.5.1 saw/had seen right away it was the place I looked/had looked /hadbeen looking for all my life.6. As soon as he raised his eyes I knew/had known that we met/hadmet before.7. Excuse me, I had ordered/ordered a coffee half an hour ago. Is itready yet?8. She finished/had finished most of the work by the time her boss arrived.