Using Words Correctly 1

Some words are easy to mix up. Watch out for these:
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its, it's: Its shows ownership. It's means "it is" or "it has."
It's not uncommon for a beaver to cut through a tree with its teeth.
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their, they're, there: Their shows ownership. They're means "they are." There refers to location.
If you look over there, you will see beavers gathering wood for their dam. They're working hard.
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to, two, too: To shows movement toward something. Two means "2." Too means "very" or "also."