1. Tokyo is the most crowded city I have ever visited.
2. Peter is the most intelligent in the class.
3. We have not visited Sydney for 2 years.
4. William Shakespeare is more popular than any British writers.
5. It's over three years since they left their home country.
6. No other unniversity in Britian is older than Oxford University.
7. My mother last travelled abroad 1 year ago.
8. This is the first time I have ever been to Da Lat City.