As a big country, it has many different  _______.

Choose the correct answer in each sentence.

The  ________  prosperous an economy, the better off the participants in that economy are in terms of opportunities to gain a higher income, which is a key determiner of family well-being.

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

Thanks to artificial intelligence, the phone's voice-recognition system converts the sound into numerous data.

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Drake Pharmaceuticals is   ___________ to have world-renowned chemist Jonas Lund as its senior lab technician.

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Thanks to Ms. Perry’s tireless campaigning, education ___________   as the central issue of the city council election.

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My parents saw me ............. at the railway station.

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In accordance with the Data Protection Act, all identifying information has been ____________   from client testimonials on our Web site.

She made no  ................... to her illness but only to her future plans.

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In fact, there are many people who would ------ shop for groceries on weekdays than on weekends.

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Whole Foods no longer allows customers to use more than  ____________  coupon at a time.

Hummock grasses grow in loose sand on the crest.

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The Trails Store will  ____________  add a section for hiking equipment.

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Even though your business insights and visual presentation of the data are strong, -------will matter if you lack the ability to engage your audience and effectively communicate your message.

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Participants in the walking tour should gather _________   533 Bates Road on Saturday morning.

The experience from an adventurous expedition to a rainforest will broaden your horizons and teach you new skills.

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The research and development team that John ------ is now performing extremely well.

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In the northern part of the Simpson Desert, the dunes are separated by ________ of low, open shrubland.

When we see Mr. Minh tomorrow, I ____ him of that. 

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 The covering letter wasn't attached ____ the CV.

Why don’t you have your brother  ............... the roof?

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Technique Ltd. would like to thank ------ employees for their hard work, and a special dinner is scheduled to be held next Friday.