2. My sister is younger than me.
3. Who is the oldest in the class?
4. The Airbus A380 is the biggest passenger plane in thr world.
5. My book is more interesting than yours.
6. Peter bought TV in the most expensive shop.
7. Did you buy the watch in the cheapest shop?
8. German is much more difficult than English.
9. Today the weather is much better yhan yesterday.