fell

made

saw

carried

go through

come out

put out

go off

would like

to have

her

in

the devastating effects of environmental pollution in some areas.

environmental pollution as a result of poor policies.

indoor pollution.

deforestation of the Amazon jungle.

educational

educationally

educate

education

permissions

admissions

acceptance

agreement

people should avoid working in cities

Americans spend too little time outdoors

. hazardous gases are concentrated in industrial suburbs

there are several ways to avoid city pollution

Absolutely

I’m afraid so

That’s nonsense

I doubt it

many

much

few

some

You needn’t smoke in public places such as: hospitals, schools.

You mustn’t smoke in public places such as: hospitals, schools.

You don’t smoke in public places such as: hospitals, schools.

You may smoke in public places such as: hospitals, schools.