`24.`

`->` Chọn `B`

`-` DC: Venice is unlike any other city in the world and it may just be the most romantic city in the world

`25.`

`->` Chọn `C`

`-` flock `=` come together in large numbers: đổ về, kéo đến đông đúc

`26.`

`->` Chọn `B`

`-` DC: .be warned, Venice is expensive, there are practically no hostels, the food is generally poor and the place is completely overrun with tourists

`27.`

`->` Chọn `D`

`-` difficult `=` hard: khó

`28.`

`->` Chọn `D`

`-` DC: Venice is expensive, there are practically no hostels, the food is generally poor