Englishfor English speakers
in
Preposition
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Used to show that something is inside something else.
The cat is in the box.
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Used to show that someone is at home, or is available.
Is John in?
The Doctor is now in.
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Used to show movement towards the inside.
The rain came in through the window.
den
Noun
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A den is a place where a wild animal lives.
The wolf went back to his den to sleep after a day of hunting.
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A den is a small cave in the side of a hill.
sack
Noun
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A sack is a bag used to hold things.
She opened the brown paper sack and put the shopping in it.
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To sack is to plunder and pillage a captured town or city.
The sack of Rome.
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The sack is a slang word for bed.
I'm tired. I think I'll hit the sack and get some sleep.
sack
Verb
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To plunder or pillage a captured town or city.
The barbarians sacked Rome.