1. I’ve ____________ that you often leave your front door open. You really should keep it closed.
2. I was almost asleep. ___________ , there was a loud knock at the door.
3. There is a very bad dog in my street. Yesterday it _____________ me as I walked past. I had to run away fast!
4. There was a big ___________ last night, with a lot of wind and rain.
5. I’m having lunch with a _____________ of friends. There are six of us.