WE OUGHT / USE/ CLOTH BAGS/ INSTEAD / REUSING / OF / PLASTIC BAGS....

15. We ought / use/ cloth bags/ instead / reusing / of / plastic bags. / to /

a. We ought use to cloth bags instead reusing of plastic bags.

b. We ought to use cloth bags instead of reusing plastic bags.

c. We ought to reusing cloth bags instead of use plastic bags.

d. We ought to cloth bags instead use of reusing plastic bags.