I. Use the word given in brackets in the correct form to fill in the sentence.
1. I (walk) ________________ home when I saw that accident.
2. When we arrived, John (leave) __________________ so we didn’t even see him.
3. France is much (big) _________________ than Switzerland.
4. After she (graduate) _________________, she wants to work as a solicitor.
5. Who (tell) ____________________ Tom about the competition yesterday?