14. The more gas and electricity you use, ____. (A)higher your bill will be (B)the higher your bill will be (C)will be higher your bill (D)your bill will be higher

12. When children talk back, it can be very rude. If parents or teachers don’t do anything about that, it can become a bad habit. ____, rude kids often become rude adults. (A)Better yet (B)Nevertheless (C)What’s worse (D)On the contrary