-if there are()people driving,there will be()are pollution.-

-if there are()people driving,there will be()are pollution.- If there are [ ]people driving, there will be [ ] air pollut If there are___people driving,there will be ___air pollution there won't be__air pollution,if there are ___people driving If there are fewer driving ,there will be less air poiiution There are more cars.The pollution will be worse.意思 there (will be) serious air pollution if people use more and if there is （） pollution,ourcity will be （）dirtier. there will be less pollution if everyone protects our enviro Will there be less pollution? Will there be less pollution If there are much more people in the world,there must be mor