Unit 7 Grade 8

Water pollution has _______ many diseases for plants, animals and especially people

• led

• made

• caused

• 
  done

Water pollution can put negative _________ on our health.

• contamination

• affects

• effects

• problems

A: How can light pollution________ animals?

B: It can make animals change their behavior patterns.

• cause

• make

• 
  affect

• lead

Fish and many other animals are killed by ________

• polluted

• polluting

• pollutants

• unpolluted

A lot of waste from hotels and factories is _____ into the lakes.

• contaminated

• dumped

• affected

• polluted

Ships spill oil in oceans and rivers. This leads ________ the death of many aquatic animals and plants.

• to

• in

• from

• at

People believe that the _______ water has brought cancer to the local residents.

• pollutant

• pollution

• polluted

• polluting

The river is seriously (a)  

by the factory’s waste. (contaminate)

______she was young, she believed in fairy tales.

• When

• Until

• After

• Before

I (visit)........you as soon as I come to Vietnam.

• visit

• visited

• will visit

• visits