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While______ ____about adverb clauses, a mild earthquake shook the classroom

Families are a _____ part of our society and the fabric of our communities 

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His head is very hot. He looks so tired. I think he has ________

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Tretmoni Corporation has just released its ------ of the global stock market.

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Thanh ............................. two poems at the moment?

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One reason for the author's success is that her novels have a(n) ____________ appeal

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Marliet Marketing can help any business ------- its products through multimedia advertising packages.

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The board of directors was _____ that the cost estimates were realistic

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Both his own _______ critic and biggest fan, Richard Nixon fulfilled hisbiggest dream when he returned to politics in the late 1960s

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After his _______________ from his job, the elderly man had nothing to occupy his time but solitaire and bingo

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I was thinking of taking up scuba diving until I found out how _______ the equipment is

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I wish I ___________ someone who ___________ me with my project

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Ms. Crofton has been successful at every position she has held ------- graduating from university

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I demand that he _________ immediately

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Lan likes oranges, ________ her sister doesn’t

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Red is usually the ____ colour in his paintings.

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He………. more concerned about his social status since he started working there

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At this time last year, I _______(attend) an  English course.

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As soon as I explained how the plan would benefit the company financially, the CFO aligned himself __________ the idea

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

 It is believed that in the near future robots will be used to doing things such as cooking.

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In the past three years, our marketing manager ______ to Europe, Australia, Brazil and Thailand