None of the serious ideas submitted at the end of each month is ..............

Choose the correct answer in each sentence.

This discounted train ticket is ______________   only at certain times of the day.

Consider volunteering at a nonprofit agency to gain new skills and experience that can help ................ your transition into a new job.

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If Mr. ltoh is unable to attend the conference in Brasilia, then Ms. Gruber will speak in ___________.

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Many plants and animal species are now on the _______ of extinction.

The chemistry lab managers are concerned that new employees have not been trained ................. in the latest emergency procedures.

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We watched TV the whole evening ______ we had nothing better to do.

 I remember ................................a toy car on my fifth birthday. 

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You can ...........the new words in the dictionary.

We have already filled in ______application forms but Mary is still trying to complete______. 

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The company's new software for online banking is ___________   with most smartphone models.

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Ms. Stevens  ______________  acknowledged that she was unable to complete the task in the specified time frame.

AirVoyage’s spokesperson Bob Lohman announced this morning that a shortterm .................. of the company's online reservation system was responsible for several delays yesterday.

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The report describes the environmental impact on lakes and rivers of using ------- energy sources.

I can’t say we’re friends. Actually, I don’t ____with him very well.

Choose the best answer among A, B, C or D that best completes each sentence: Jane is a very good student of languages. Her brother Michael, ….... Has never been able to master another language.

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The project would not have been a success without Mr. Ratcliffe's complete -------- which was demonstrated on several occasions.

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It was very nice ............ him to give me a lift.

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After more than a decade of Doi Moi or economic _______, the Vietnamese Communist government has achieved diplomatic and economic links with numerous foreign partners.

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The budget will be made ______________   on June 9 after a final audit by the finance committee.

That book is about the people in Samoa ............... for two years.