In the context of operating systems and program execution, background refers to a process, or task, assigned a lower priority in the microprocessor's share of time to tasks other than the task running in the  _______.

She was playing games while he ________ a football match.

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The windows are in ___________ frames and they are decorated with colorful flowers.

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These were not artisans as such, it was asserted, but down-and-______, who lived at the margins, involved in street theft and other criminal activities

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Pass me the _____________ cups to have my sister clean them

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The biologists have found more than one thousand types of butterflies in the forest, ______ its special characteristics.

The ____ to success is to be ready from the start.

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Which woman are you going to vote for ?–I’m not sure. Everyone says that Joan is ____________

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Our project was successful ________ its practicality

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I’m not ______ any plot surprises, read the reviews in the paper if you want to know them

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In sixth grade, Alex ________________ three sports but was rather poor in two of them

Choose the letter A, B, C or D to complete the sentence. "Japanese find tipping a little insulting"

Choose the letter A, B, C or D to complete the sentence. "______ they sometimes have a quarrel , they are good friends."

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Britain has accused Russia __________ poisoning the ex-Russian spy Sergei Skripal and his daughter

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We can, if you agree, watch the sunset _________ time, when Jane and Mary are free, too.

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_______the pupils in my class enjoy taking part in green activities

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

It's unfair for Marry to be done out of chances to get promotion.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions:

Air pollution, together with littering, are causing many problems in our large, industrial cities today.

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Ms. Thuy teaches disabled children. She sometimes finds her job _______

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The government set up a commission to __________ the problem of inner city violence

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If you _________________ a problem or difficulty, let us know and we’ll help out.