Choose the best answer to complete the following sentences.

Toxic chemicals from factories are one of the serious factors that leads wildlife to the ____ of extinction.

Indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

Sheila had butterflies in her stomach before the interview.

under pressure

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The two scientists disagreed and a___________ argument developed.

Indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following sentences. 

The number of people on unemployment benefits has dropped over the last two months.

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Will you be taking my precious experience into _______ when you fix my salary?

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I'm sorry, I can't. I have a ………. headache.

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Before you sign anything important, pay careful__________ to all the conditions.

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When John__________ in London he went to see the Houses of Parliament.

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As soon as the children were_________, their mother got them out of bed and into the bathroom.

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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Could you please____________ an appointment for me to see Mr. Smith?

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Her skirt had been so______in packing that she had to iron it before going out.

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The audience waited until the curtain had risen and then________ into applause.

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We paid through______ to get the car fixed. 

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The room was so quiet that she could hear the_________ of her heart.