Choose the best answer among A, B, C or D that best completes each sentence: The ancient Aztec of Mexico had no technology for making tools from metal….....…., they had Sharp knives and spears made from a stone called obsidian.

The fastest runner took the ____ just five meters before the finishing line.

I badly _____ my ankle when I fell to the ground last night.

Deborah is going to take extra lessons to ____ what she missed while she was away.

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Oaza Electronics worked   _____________ with our team to facilitate the development of the computerized training system.

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The cost of building Juniper High Towers overall exceeded the contractor's original ------- by over £5,000.00.

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It’s difficult to ……….. the difference between margarine and butter.

............... the flight delay, they didn’t attend the conference.

For this reason, we continue to ................ interested in your products, and would like to receive your catalog.

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To receive  ________  updates regarding your journal subscription status, please provide an e-mail address on the order form.

My father said_______ would invite our teacher to dinner on Saturday. 

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The rebate offered by Genton Vitamins expire  __________  six months.

Choose the best answer among A, B, C or D that best completes each sentence: Many companies are on the …..of ruin.

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For more than 10 years, the Vietnamese government has pursued the open-door _______ and continued to attract foreign investment.

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As part of the writing workshop, participants will read their compositions ------ to the group.

Whenever you look to make a deal .................... anybody, always establish the decision – making hierarchy ahead of time.

My mother ______me from going home after 10 p.m. every day.

Lohman stated that the network problem ----- -- by outages at the local communication company

“Do you know where Paul is? ” – “______________”

The loss of our foreign manufacturing plants may be a ...............outcome of the new plans being implemented.

When handling large funds, bank employees are required to check the statements .................. to make sure that everything is correct.