1.Don't change horses - until they stop running.
2.You can lead a horse to water but - How?
3.Don't bite the hand that - looks dirty.
4.You can't teach an old dog new - Math
5.If you lie down with dogs, you'll - stink in the morning.
6.The pen is mightier than the - pigs.
7.Where there's smoke there's - pollution.
8.A penny saved is - not much.
9.Two's company, three's - the Musketeers.
10.Laugh and the whole world laughs with you, cry and - You have to blow your nose.
11.Children should be seen and not - spanked or grounded.
12.When the blind lead the blind - get out of the way.
13.A bird in the hand - is going to poop on you.