Answer:
Very (1) few cities in Europe are like Lisbon, Portugal's unique capital. Apart from its distinctive fado music and incredible cuisine, visitors notice something else - the (2) amount of graffiti that can be seen across the city. There's something special about (3) much of the graffiti. Lisbon has so (4) many empty buildings that the city asked graffiti artists to decorate them with giant murals. In fact, it is estimated that the (5) number of abandoned buildings just in the city centre is over 4,000. Crumbling buildings that were boarded up have come to life again as canvasses for urban artists. (6) Some residents believe that it has brightened up the city centre and added to its charm, but others disagree. They have (7) little interest in urban art and would prefer to have (8) no graffiti at all.
Explanation:
The question above relies on our knowledge of countable and uncountable nouns. Words such as "few", "many", "some", and "number" accompany countable nouns, that is, nouns that can be quantified and used in the plural form. On the other hand, words such as "much" and "little" are used with uncountable nouns. Some words, such as "amount" and "no" can actually be used with both types of nouns, so it will really depend on the context to choose where to place them.
