Помогите пожалуйста с английским!Circle the correct alternativesa) If we don039;t /didn039;t

Помогите пожалуйста с английским!
Circle the correct alternatives

a) If we don't /didn't protect them, some animals won't survive.
b) If we don't /didn't use so much oil, we would reduce pollution.
c) What will/would you do if you won?
d) lf you turn/turned off all your electrical equipment, you would save energy.
e) If we use more solar and wind power, we will/would slow down global warming.