Englishfor English speakers
a
Determinative
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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
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A is the first letter of the alphabet.
The letter "a" comes before "b".
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In some schools, an A is a very high grade.
Ron got an A on his earth science test.
poker
Noun
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Poker is a group of card games that involve trying to get a good hand of cards. Usually there is some betting, and people give or take cards to try to build a better hand.
The three of us play poker every Friday night, and the loser buys drinks.
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A poker, which people also call a fire poker or fire iron, is something people use in a fire. They use it to move around the ashes so that the fire keeps burning well, and they use it to move coals back to the middle of the fire.
face
Noun
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A face is the front part of the head.
His face was red with embarrassment.
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A look or expression on the face.
He made a face at the bitter medicine.
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One side of a many-sided shape.
A dodecahedron has twelve faces.
face
Verb
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If mathx/math faces mathy/math, the front of mathx/math is pointing in the direction of mathy/math.
Please face me when I speak to you.
The store faces the bank.
It's hard to face the fact that his wife is gone.
You have to face the bully.