Write full sentences, as in the example. 1. a block of flats / tall / a villa. 2. the city centre / noisy / the suburbs. 3. a cottage / small / a bungalow. 4. houses / expensive / flats. 5. cities / crowned / villages. 6. the suburbs / beautiful / the city centre.

Пример (по которому нужно составить предложения)  Вы не написали, но думаю, что так:
1. A block of flats is taller than a villa.
2. The city centre is noisier than the suburbs.
3. A cottage is smaller than a bungalow.
4. Houses are more expensive than flats.
5. Cities are more crowded than villages.
6. The suburbs are more beautiful than the city centre.