Is too much plastic one of the world's biggest _____________ problems?
pollution
Big cities have many factories that produce so much ____________ that we cannot see the sky.
smoke
They are clearing the trees from the park to make more ____________ houses for the increasing population.
concrete
The family is moving to the countryside so the children will have more _________ to play outside.
space
Please put all of your waste in the _____________ bin, not on the street.
trash
It is sometimes difficult to relax at night when there is too much __________ in a big city!
noise
The home owner was shocked to see that someone had put ______ on the side of the building!
graffiti
The ________ was so dirty that they moved to another place where they could breathe more easily.
air
Please don't shout so ________! I can hear you easily. loudly/beautifully/dangerously
loudly
She explained the problem very ___________ to her boss. beautifully/clearly/quietly
clearly
She drove ________ on her way home. completely/safely/loudly
safely
She answered all the questions __________. dangerously/safely/correctly
correctly
The birds are singing _______ this morning. politely/completely/beautifully
beautifully
After you finish your work _________, you may go home. completely/loudly/dangerously
completely
There is so ______ traffic in the evening!
much
In the countryside, there is very _______ pollution.
little
