I have tried hard but I can’t earn enough money.

 He had a new heart valve _______.

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If she a car, she would go out in the evening.

Choose the correct answer in each sentence.

Additional details  ______________  the workshop will be sent to everyone who has expressed in attending.

Choose the best answer among A, B, C or D that best completes each sentence: I usually enjoy attending productions in small community theaters. The play we attended last night, ……, was so bad that I wanted to leave after the first act.

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She has ................. English in that center for 3 months.

Do you know who ____ the fact that sound travels in waves?

............... Mr. Fowler or Ms. Bloch will have to travel to London for the symposium on textile manufacturing.

Choose the best answer A, B, C or D to complete the sentence.

There is no doubt that the technology of artificial intelligence in the wrong ____ can cause mass destruction

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Because of her hearing disability, Ms. Frasier will be _______________   by a sign language expert so she can participate in the meeting.

Because of their size, few of our plumbing fixtures are .................... for indoor use.

Choose the best answer among A, B, C or D that best completes each sentence:  I was cold and wet. ……, Bob put on his swimming suit and went to the beach.

Workers are advised not to operate certain machines by ...........

Let’s ask our teacher how to solve this problem  ..........  we can’t agree on the answer.

 Take______ things or you'll regret it; don't take ______ jewellery either. 

Dr. Renault reassured the company’s president that the research department will ............. reach this year’s goals with the allotted funding.

Remember that work-life balance issues can affect ................. in any stage of the life cycle.

Because of her ............... work ethic, Mrs. Moon, head of the marketing team, was awarded the Frank Watkins Award in May 2005.

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After examining the vehicle, the mechanic had  ______________  identified the reason why the engine lost power.

Choose the correct answer in each sentence.

The penalties for canceling the cell phone contract early were  ________________  stated in the agreement.

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.