Complete the sentences with the missing words

• just
• yet
• already
• just

1. Don't come in here in these muddy shoes! I have [ ] cleaned the floor!
2. Have you finished that poem for a drama class [ ]? You only started an hour ago!
3. I don't want to see Hobbit at the cinema again. I've [ ] seen it twice.
4. I'm sorry. You have [ ] missed Lora. She left the cinema about two minutes ago.