Practice test unit 7

Do you know what is the cause __________ pollution?

• of

• in

• on

• for

My mother has to measure blood __________ every month.

• billboard

• pressure

• groundwater

• earplug

__________ pollution is harmful or annoying level of noise, as from vehicles, industry activities, etc.

• light

• visual

• soil

• noise

I can’t hear your voice __________ I’m wearing an earplug

• although

• due

• however

• because

His grandfather made him __________ hard when he was small.

• to study

• studying

• studied

• study

Could you list some non-point source __________?

• pollution

• pollutants

• polluted

• polluting

If/ people/ breath/ contaminate/ air, they/ have/ breathing problems.

• A. If people breathed contaminated air, they had breathing problems.

• B. If people breathed contaminated air, they would have breathing problems.

• C. If people breath contaminated air, they have breathing problems.

• If people breath contaminated air, they will have breathing problems.

Many/ people/ this area/ have/ cholera/ because/ they/ drink/ untreat/ water.

• Many people in this area have cholera because they drink untreated water.

• Many people on this area have cholera because they drink untreated water.

• Many people on this area have cholera because they drink untreating water.

• Many people in this area have cholera because they drink untreating water.

The street/ not/ look/ attractive/ because/ there/ be/ a lot of/ rubbish.

• The street not look attractive because there’s a lot of rubbish.

• The street not look attractive because there’re a lot of rubbish.

• The street doesn’t look attractive because there’s a lot of rubbish.

• The street don’t look attractive because there’re a lot of rubbish.

Many flights were cancelled ​______ the smoke from forest fires.

• because of

• so

• because

• result in