The (dirty) ______ the air gets, the (difficult) _______ it is for people to breathe.

• dirtier - more difficult

• more dirty - more difficult

• dirtitier - difficulter

• more dirty - difficulter

The (reliable) ________ the public transport system is, the (easy) _______ it is for residents to get around the city.

She thinks the (big) ______ the city is, the (high)______ the cost of living gets.

• biger - higher

• bigger - more higher

• bigger - higher

• bigger - more high

Peter prefers the ________. He finds it more comfortable to go underground than above the ground.

• sky train

• private car

• train

• metro

The (long) _______ the traffic jams are, the (hard) ________ it will be reach to the office on time.

(expensive) __________ the city is, (good) ______ the living conditions are.

• More expensive - better

• The more expensive - better

• The more expensive - the better

• More expensive - the gooder

There's a construction ______ near my house. It's too noisy and dirty.

The city is often called a _________ due to its many tall buildings and busy streets.

• concrete jungle

• public transport

• green space

• noise pollution

(smooth) _______ the traffic flow in the downtown area, (good) ________ the commute for workers.

The more green spacecs there are, the (peaceful) _______ the city is.

• peacefuller

• more peaceful

• most peaceful

• the more peaceful