Make comparisons with your partner, as in the example.
1 London/Sao Paulo/Tokyo (crowded)
A: London is very crowded.
B: Yes, but Sao Paulo is much more crowded than London.
A: Tokyo is the most crowded of all.
2 Kazakhstan/Greenland/Antarctica (cold)
3 cars/trains/planes (fast)
4 The Yangtze River/The River Amazon/The River Nile (long)​

1) A:In Kazakhstan is very cold.

B: Yes, but in Greenland is colder than Kazakhstan.

A: Antarctida is the coldest of all.

2)A: Cars are very fast.

B: Yes, but trains are faster than cars.

A: Planes are the fastest of all

3) A: The Yangtze River is very long.

B: Yes, but The River Amazon is longer than The Yangtze one.

A: The River Nile is the longest of all.