A number of young teachers nowadays ............... themselves to teaching disadvantaged children.

Sam is _______ man to speak at the conference tomorrow. 

Choose the correct answer in each sentence.

 In response to student demand, online educational opportunities have increased  ____________  in the past decade.

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The customer's order  ______________  will be sent by e-mail within twenty-four hours.

After they ................. all the food, they picked up their bags and left.

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

Choose the correct answer in each sentence.

The business of reporting the news isn’t vanishing, and some new business models will emerge for newspapers, ___   all forms of journalism.

Nonrenewable resources include fossil fuels and mineral deposits, such as  _______ ore and gold ore. 

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All employee timesheets must be submitted------ the 3rd working day of the month at the latest.

Choose the best answer:
It’s great that you can practise English with ____________ speakers.

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Bentoc Shoes has a loyal customer base ------it provides high-quality service.

Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.

 A year out provided him with so extensive experience that his university was very impresive.

I just want to ask you for... advice. 

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 The first thing managers need to do is learn how they can ____________   with employees.

Choose the best answer:
When's your birthday?
- It's ................

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Having proper ventilation throughout the building is  _____________  for protecting the health and well-being of the workers.

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He has done nothing to prepare for the final examination, ______ played.

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The price of organic foods is expected to rise _____________    over the next several years because of an increase in demand.

British Columbia is the westernmost Canadian province and the _______ province on the Pacific Ocean.

If you had taken my advice , you ............  in such difficulties now.

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A _______ is a landscape or region that receives very little precipitation.