Look at the pictures. Use the words in brackets to make sentences. ( You should also study Unit 3 before you do this exercise ).
1. (you/not/seem/very happy today )
2. (what/you/do ? ) Be quiet ! ( I/ think )
3. (who/ this umbrella / belong to ? ) I've no idea .
4. (the dinner / smell /good )
5. Excuse me. (anybody / sit / here ? ) No it's free .
6. Can you ring me back in half an hour ? ( I / have / dinner )