' C ' has the misplaced modifier. It makes the sentence sound like the commands take the obedience class.
It should say "The dogs that take the obedience class know several commands.".
Answer:(a)used to do.
(B)used to not eat.
(C)used to travel.
(D)used to not have.
(E)used to take.
(F)when your grandmother used to read.
(G)used to wear
Explanation:
Juana, Coyotito, Juan Thomas, and Apalonia