последние балы отдаю, нужно 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. ;

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. ;

Объяснение:

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.