A large group of people who have gathered together. "The explosions took place in shopping centres as _____ of people were shopping for Mother's Day."
CROWDS
Words or drawings, especially humorous, rude, or political, on walls, doors, etc. in public places. "The subway walls are covered with _____."
GRAFFITI
An area of grass, trees, or other vegetation set apart for recreational or aesthetic purposes in an otherwise urban environment. "These family-friendly ________ comes with playgrounds and a mini petting zoo."
GREEN SPACES
Waste material or things that are no longer wanted or needed. "Take the old furniture to the _____ dump."
RUBBISH
One of the periods of the day when most people are travelling to or from work. "The _____ traffic was slow."
RUSH HOUR
Damage caused to water, air, etc. by harmful substances or waste. "The company claims it is not responsible for the ______ in the river."
POLLUTION
A period of time when the electricity supply to a particular building or area is stopped. "It was the effect of fog and freezing which caused the major _____."
POWER CUT
A system of vehicles such as buses and trains that operate at regular times on fixed routes and are used by the public. "They say they want the money to spend on ______."
PUBLIC TRANSPORT
A large number of vehicles close together and unable to move or moving very slowly. "The snow caused __________ all over the city."
TRAFFIC JAM
