Choose the correct answer in each sentence.

The Ott Institute designs successful videos, but the process _____________   to take longer benefits than expected.

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.

New owners of Century Regal's condominiums are advised to become more _____ with the amenities and services available to residents

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In an attempt   _________ sustainable energy, city officials have had solar panels affixed to some public buildings.

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You can look at your electricity___________  logging on to your online service account.

Tom is saving up .............. he can buy a new car.

Don't worry. After ______ rest she'll be all right. 

You shouldn’t walk around with ____ feet. The floor isn’t very clean.

The chief financial officer of Waterhouse Inc. is expressing ..................concerning his predecessor's informative advice. 

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Customers who were surveyed found most of the nine color variations of Malbey purses very_____________

We are unable to meet the present demand because of .............. plant capacity

The school clock is not as __________ as it should be, it is usually between one or two minutes fast.

.................. $5 million was paid for the construction of this office building,

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---------- making structural changes to a house must first apply for a building permit.

Researchers have ____ to the conclusion that your personality is affected by your genes.

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You may have the merchandise sent directly to your home or pick it up in person at the store, _________ you prefer.

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A buffet dinner is available to the guests, so they may eat  __________  looks appetizing to them without having to place an order.

Choose the best answer: 
Tam is a beautiful girl; __________, she is kind-hearted.

Choose the best answer: 
 My friend learns English ________. She always gets good marks.

Couldn't you have answered ______ more questions on the exam? You have hardly answered ______ . 

Choose the best answer:
Peter……………a bike, now he has a car.