First conditional

If it _____ (rain) tomorrow, the drought ______ (stop)

• rained, will stop

• rains, will stop

• rains, stop

• will rain, stop

If they _____ (throw away) plastic bottles, they ____ (pollute) the sea

• throw away, pollute

• throws away, will pollute

• throw away, will pollute

• will throw away, pollute

If I ______ (recycle) garbage, I _____ (help) the ecosystem

• recycles, will help

• recycled, helped

• will recycle, help

• recycle, will help

If she _____ (not/help) endangered animals, she _____ (help) to increase water pollution

• doesn't help, will help

• help, help

• helps, will help,

• don't help, will help

She ____ (reduce) the usage of plastic bags if she _____ (want) to help the ecosystem

• reduces, will want

• will reduce, wants

• reduces, wants

• don't reduce, want

If they ______ (use) too much their cars, they _____ (increase) noise pollution

• use, increase

• will use, increase

• use, will increase

• don't use, increase

If she ______ (not/use) fossil fuels, she ______ (increase) global warming

• don't use, will increase

• doesn't use, will increase

• uses, will increase

• used, will increase