Englishfor English speakers
backspace
Noun
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A backspace is a key on the keyboard of a computer or typewriter that erases the letter before the cursor.
I pressed backspace because I accidentally typed the wrong letter.
backspace
Verb
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When you backspace, you erase the letter before the cursor.
No, that's wrong. Backspace here, and delete this word too.
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.
file
Noun
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A file is a set of papers or records on a specific issue, person, etc.
The letter should be in the file on the Herzog problem.
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A file is a set of information that can be opened, changed, and saved by a computer program.
My computer won't read the Word file you e-mailed me last night.
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A file is a place to keep papers organised.
Can you put this receipt in the file?
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A file is a tool with rough sides that you rub against something to make it smooth.
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A file is a line of people.
file
Verb
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If you file papers or documents, you put them away in an organised way in one place.
I filed the letter under "t" for taxes.
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If you file a report or a story, you submit it to your employer or editor.
What time did you file that story about the car crash?
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If you file a complaint, you make an official complaint.
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If people file somewhere, they go there in a line.
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If you file something, you rub it with a file to make it smooth.
She went to the store for a manicure, which involves filing and polishing the nails.