Выбрать что то одно в дужках: 2. Large cities are (most polluted / more polluted than) they were in the past.;;; 3. Travelling by bus is (cheapest / cheaper) than travelling by plane.;;; 4. In some African countries, there is (less / the most) water than before.;;; 5. The cheetah is one of the (more faster / fastest) animals in the world. ;;; 6. The Amazon River is (longer / most long) than the Nile.

Выбрать что то одно в дужках: 2. Large cities are more polluted than they were in the past.;;; 3. Travelling by bus is cheaper than travelling by plane.;;; 4. In some African countries, there is less  water than before.;;; 5. The cheetah is one of the  fastest animals in the world. ;;; 6. The Amazon River is longer  than the Nile.

Объяснение:

2. Large cities are (more polluted than) they were in the past.

3. Travelling by bus is (cheaper) than travelling by plane.

4. In some African countries, there is (less) water than before.

5. The cheetah is one of the (fastest) animals in the world.

6. The Amazon River is (longe) than the Nile.