u3_cities in the future

The _______ in the city is becoming increasingly severe, with high prices and limited affordable options for residents.

• housing problem

• house problem

• rooftop farming

• rooftop farm

_______ plays a crucial role in maintaining a healthy ecosystem.

• Biodiversity

• Infrastructure

• Refund

• Privacy

Da Nang is considered one of the most _______ cities in Viet Nam. You can enjoy the beautiful scenery and delicious cuisine there. (live)

In future cities, people will interact ____ their surroundings like never before using intelligent infrastructure and smart devices.

Future cities are _______ sustainable architecture and renewable energy systems.

• run out of

• put off

• made up of

• taken after

_______ buildings provide urban areas with enough accommodation.

• High-rise

• Rising high

• Height rising

• Rise-high

As cities become increasingly connected, the risk of _______ becomes a pressing concern for urban residents and businesses.

• card reader

• appointment

• cybercrime

• household chore

Visitors can wander around here without difficulty because most of the antique area is now a pedestrian____.

• traffic

• crossing

• site

• zone

The holiday cottage has many green touches, including __________ cleaning products.

• friendly

• eco-friendly

• ecological

• economical

The Saudi government is investing billions in __________ to support the enormous influx of people in Mecca.

• streets

• roads

• bridges

• infrastructure