Preserving the Environment

If you ________ to save water more, I'll give you more pocket money.

• A. promise

• B. promised

• C. have promised

• D. will promised

The river will _______ clearer if people _____ dumping household waste into it.

• A. is - stop

• B. be - stop

• C. be - will stop

• D. be - won't stop

If tourists _____ rubbish into the river, the water would be clearer now.

• A. don't throw

• B. didn't throw

• C. throw

• D. threw

Unless/ we/ save/ water, there/ no more/ water/ for/ our future use.

• A. Unless we save water, there is no more water for our future use.

• B. Unless we save water, there will be no more water for our future use.

• C. Unless we save water, there will no more water for our future use.

• D. Unless we saved water, there is no more water for our future use.

If you _____ a superhero, what _______you do?

• A. was - would

• B. were - would

• C. are - will

• D. are - would

If the weather __________fine, the children ___________ to school.

• A. were - would walk

• B. was - will walk

• C. is - would walk

• D. is - will walk

If we ________ of our planet, the ice caps _______ melt.

• A. don't take care - would

• B. don't take care - will

• C. didn't take care - will

• D. take care - will

If we __________public transport more, our cities would get cleaner

• A. used

• B. use

• C. has used

• D. will use

If the emission of CO2 at this rate, the climate will be destroyed.

• A. continued

• B. continue

• C. continues

• D. had continued

If I ________ the president, I ___________ harder regulations for using fertilizers in agriculture.

• A. were - will pass

• B. am - will pass

• C. was - would passes

• D. were - would pass