1.The blue clock is older than the red clock.

2.Phanxipang is the highest mountain.

3.Sydney Street is shorter than Oxford Street.

4. This is the first time I have ever visited such a beautiful sight.

5.My sister will  eighteenthin her birthday.

1.the blue clock is older than the red clock 

2. Fansipan is higher than any mountain in Vietnam

3.Sydney streets are shorter than Oxford streets

4. this is the first time i have ever visited and this is the most beautiful sight.

5. My sister will eighteenth birthday in next week