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The environmental economist  ____________  the average value of production per employee by taking the revenue minus the costs of a company and dividing that number by the number of employees at a company.

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___________ employee at NLC plays an important role in achieving our business objectives.

National Parks and Preserves, unique public lands or bodies of water within a country, set aside by the _______ to protect ecosystems, plant and animal species, scenic landscapes, geologic formations.

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Dealers are allowed   __________Giải thích:
Tạm dịch:  customer and sales information via the recently installed database system.

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---------- that insulation has been replaced, that building is much more energy- efficient.

I haven’t been up into the attic for twenty years. Anything .................. be up there!

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Her birthday is ................ November.

This is the second time .................

Can I_________you a favor? I need a ride to the doctor's office tomorrow morning.

The amount Sarah earned was ................... on how much she sold.

Jane is very  ................  about her career.

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Any payments that are  __________  at the end of the month will incur a late fee.

If you travel there, you’ll find many  _______ things to see and do. 

Jane is going to go abroad next month and she's having a ............. party on Sunday.

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The team leader reacted  _______  to the suggestion that employees would perform better if they were provided with flexible working hours.

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Since the local mines are closing down, miners at the Iron Materials Company will soon have to   ________ other job opportunities.

It would have been a much more serious accidents .................. fast at that time.

Choose the word which is stressed differently from the rest: aborigines, expedition, kilometer, scientific

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____________ a dozen people reported feeling sick from a strong odor at a House Depot outlet, and three of them were taken to the hospital.

I can't ___________ what he's doing; it's so dark down here.

Those flowers are _     _everywhere is a sign of spring.