I like swimming ________ my sister likes jogging and dancing.

It is important to keep ourselves clean ___________ germs can cause infection in parts of our

body.

Jane and Mary are in the corridor.

Jane: “What’s the matter? You don’t look very well.”

Mary: “I feel a little _____________.”

sự lộn xộn

If people and buisinesses don't __________, our natural resources will be depleted.

You should keep your room free from___________as they can cause serious health problems.

_______is also called black carbon.

We should use renewable resources because they are never _____________.

Sự đốt cháy

viêm phế quản

True Blood is my favourite TV series, ____ I don't have much time to watch it often.

There wasn't a chair for the headmaster, ____ is a big problem.

A soot__________is very tiny, smaller than dust and mould.

Green technology also creates________ products.

We are __________the Go Green campaign this week.

dispose of

organic

HAZARDOUS

SOOT

Soot emission might be responsible for the quick______of the Artic.

Soot does not only have an impact ______global warming and climate change, but is also unhealthy.