Ответ:

1. Your school bag is bigger than my school bag.

или

Your school bag is dirtier than my school bag.

2. Jose da Silva is younger than our teacher.

или

Jose da Silva is more famous than our teacher.

3. A visit to the safari park is more expensive than a trip to a museum.

4. Writing English is easier than speaking English.

5. Films are more interesting than books.

6. Going on holiday is more exciting than staying at home.