Unit 7: Pollution

Complete the sentences with the verbs in brackets. Use conditional sentences type 2.

If people________ (not be) so careless, Earth wouldn’t be in danger.

We________ (have) dirty seafood if we________ (dump) rubbish into the sea.

If we________ (not stop) over-fishing the oceans, many species________ (become) extinct.

  If people no longer________ (pollute) the atmosphere, the air________ (soon become) clean again.

__________ water resulted in the death of many aquatic animals.

• Contaminate

• Contaminated

• Contaminating

• Contamination

The acid rain has cause ______ to the trees in this area.

• damaged

• damage

• death

• contamination

no longer alive

• die

• sneeze

• dead

• pollute

Households ______ waste ______ the river, so it is polluted.

• litter / into

• dump / in

• throw / into

• dump / into

All the aquatic plants and animals will die if the factory ………….. dumping poison into the lake.

• will keep

• to keep 

• kept 

• keeps

_________ interested in that subject, I would try to learn more about it.

• Were I

• Should I

• I was

• If I am