a lick and a promise

a Determinative

— A is used when the following word could be any of a certain type. Compare "A book I saw on the shelf" and "The book I gave you yesterday".

a Noun

— A is the first letter of the alphabet. The letter "a" comes before "b". — In some schools, an A is a very high grade. Ron got an A on his earth science test.

lick Verb

— When you lick something, you touch it with your tongue in order to taste or moisten. That boy is licking on the ice-cream that his mother bought for him.

and Conjunction

— You use and to talk about two things at once. I like singing and reading. Mary and Jane went on a holiday together. — You use and when you are listing a few things and you are now on your last item of the list. I like singing, reading, cycling and playing soccer. I used to like this girl from my class as she is pretty, gentle and caring. — And is used when you are putting two sentences together. She came into the store, shouted at the cashier, and left. — Used to show what happened after something else. The alarm went off and I woke up. — And is used to join certain numbers together. Two hundred and thirty-five people went missing after the earthquake.

promise Noun

— When someone is making a promise to a person, he is saying what he plans to do for that person. Jane was angry that John broke his promise to take her out to the movies.

promise Verb

— When a person promises, he states that he will make certain to do an action. I promise that I will come back home by noon. You can trust me.