What’s the difference between “ad” and “add”?
Test Yourself:

1.)We put an __________ in the newspaper.
A.)ad
B.)add

2.)__________ 3 and 4, and you get 7.
A.)ad
B.)add

3.)This is an __________ for a new English school.
A.)ad
B.)add

4.)Please __________ some sugar to the coffee.
A.)ad
B.)add

5.)Do you want me to __________ your name to the list?
A.)ad
B.)add

6.)He doesn't like to see __________ on TV.
A.)ads
B.)adds