Choose the best answer:
How about _______ a presentation about water and air pollution?

At present, the rate of economic growth is very satisfactory, but _____ when foreign competition makes itself felt, this will not be the case.

They have demanded that all copies of the book____ .

Last month, Mr.  Donald Trump,     is the president of the US, visited   Vietnam and had a wonderful time in this country.

 Don't walk too fast. I can't keep_________you.

Choose the correct answer in each sentence.

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

Choose the correct answer in each sentence.

Despite looking  __________  to other models, the Super Clear monitor is made of a brand-new lightweight material.

Choose the correct answer in each sentence.

The library staff posted signs ----------to patrons of the upcoming closure for renovations.

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 I try my best __________ the examination.

Choose the correct answer in each sentence.

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

All his hard work ............. in great success.

 She .............. thousands of pictures since the 1980s.

Choose the best answer among A, B, C or D that best completes each sentence: By this time all the wells had …..dry.

Choose the best answer among A, B, C or D that best completes each sentence: The Sahara Desert …. for miles.

Choose the correct answer in each sentence.

Articulating your thoughts in unanticipated situations will instill immediate confidence in what you are saying _______   attending a meeting.

Choose the correct answer in each sentence.

The farewell party for employees  ____________  the company this month is scheduled for this Friday.

Choose the correct answer in each sentence.

__________ the current state of the economy, it is easy to understand why so many consumers are retaining their cars longer.

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____________ are employees' medical expenses covered by the corporate medical insurance, but so are those of their spouses and children.

By the time you receive this letter, I ______ for the USA

Choose the correct answer in each sentence.

Mobile Me,  __________  was established in 2010, is now the biggest mobile phone provider in the area.

Choose the word which is closest in meaning to the underlined word.

In the northern part of the Simpson Desert, the dunes are parallel.