✓7.
1) will become
2) borrow
3) would not waste
4) boils
5) don't stop
✓8.
1) melt / rise / will flood
2) do you get / mix / will get
3) were / would have
4) turn off / will save
✓9.
1)... unless global warming doesn't stop soon.
2)... then I would cycle to work.
3)... were you, I would take the bus.
4)... freezes, it turns into ice.
5) If it does not rain ...