Englishfor English speakers
department
Noun
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A department is a part of a business, school, hospital or other institution that has a particular job.
The Department of Health is planning to build three new hospitals in the area.
It's often difficult to get the various government departments to work together.
He was in the Department of Law at the Keele University for nearly 20 years.
Professor Swallow, became Head of the English Department at Rummidge University.
The toy department is over there past
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A department is a part of a large store, which sells one kind of product.
You can find balls in the sporting goods department.
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Somebody's department is the things that they are good at or responsible for.
Sorry, I can't help you. That's not my department.
cost
Noun
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The cost of something is the price that a person pays for it.
What is the cost of the car?
cost
Verb
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When you say that a thing costs, you say that one must pay in order to buy it.
That diamond ring costs a great deal of money.
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One may say that an action costs a certain bad result.
It cost me my job when I broke the machine.
To commit a crime will cost you.
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When you estimate a cost or set a cost, you cost a thing.
The repair man costed the work to fix the car.
sheet
Noun
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A sheet is a flat cloth that you cover a bed with.
Use the sheets next to the bed.
He wanted to sleep between clean white sheets in his own bed.
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A sheet is a single piece of paper.
Can I have a sheet of paper?
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A sheet is a thin flat thing, usually something square or rectangular.
A sheet of ice covered the ground.
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A line (rope) used to adjust the trim of a sail.