Choose the letter A, B, C or D to complete the sentences:
First of all, they are used in various aspects _________ our life such as science, industry, airline, military and so on.

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• Choose the best answer: 

  It is necessary that he_____ a certificate in English?

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  I often avoid _______ to parties.

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  You’re having a sore throat. You’d better_____ to the doctor.

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•  Choose correct answer A, B, C or D to complete the sentence. I'd rather_____ in the field than_____ at home

• Choose the best answer: 

  He is very clever and wins all the prizes _______ his brother never seems to know a thing.

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  My husband lived at home before we were married, and so______

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  The police_____ on the alert for the escaped convict.

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   The brakes need _________

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  My sister has a ________ baby.

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  Harry is a sailor. He spends most of his life at______ sea.

• Choose the best answer: 

  Mary received 100 dollars from her sister. She______ the ring she wanted. It only costs 10 dollars.

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  He drives so quickly that I am afraid that one day he will_______ someone crossing the street.

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  The assignment for Monday was to read ______ in your textbooks.

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  “Why did you change your major from economics to law?:

            “Because economics_____ as interesting to me as law”.

• Will robots be able to __________ its owner?

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  _____ you to the job, he felt calm.

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  ____ one hand on the steering wheel, Ann opened a can of soda pop with her free hand.

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  He was rather elderly. He was_______

• Choose the letter A, B, C or D to complete the sentence: I use a laptop __________ to music and watch videos.

• Choose the best answer: 

  Mathematics_____ very interesting to me.