82.4 Complete the sentences with -selves or each other.
1. How long have you and Bill known _each other?_
2. If people work too hard, they can make ---ill.
3. I need you and you need me. We need ---.
4. In Britain friends often give --- presents at Christmas.
5. Some people are very selfish. They only think of ---.
6. Nora and I don't see --- very often these days.
7. We couldn't get back into the house. We had locked --- out.
8. They've had an argument. They're not speaking to --- at the moment.
9. We'd never met before, so we introduced --- to ---.