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科目: 来源: 题型:单选题

Only ________ according to the directions can the medicine be quite effective.

A.taking B.taken
C.being taken D.having been taken

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科目: 来源: 题型:单选题

—We didn't find the Blacks ________ the lecture.
—No one had told him about ________ a lecture the following day.

A.to attend;there to be B.attending;there being
C.attended;there be D.attend;there was

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科目: 来源: 题型:单选题

A few days after the interview,I recevied a letter ________ me admission to the university.

A.offering B.offered
C.having offered D.to be offered

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科目: 来源: 题型:单选题

—Why do you look sad?
—There are so many problems ________.

A.remaining to settle B.remained settling
C.remaining to be settled D.remained to be settled

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科目: 来源: 题型:单选题

________ as the “first lady of speech”,Dr, Lillian Glass is recognized as one of the world's leading experts on communication skills.

A.KnowingB.Having known
C.KnownD.To be known

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科目: 来源: 题型:单选题

John received an invitation to dinner,and with his work ________,he gladly accepted it.

A.finished B.finishing 
C.having finished D.was finished 

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科目: 来源: 题型:单选题

—Come on,please give me some ideas about the project.
—Sorry.With so much work ________ my mind,I almost break down.

A.filledB.fillingC.to fillD.being filled

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科目: 来源: 题型:单选题

The country has already sent up three unmanned spacecraft,the most recent ________ at the end of last March.

A.has been launchedB.having been launched
C.being launchedD.to be launched

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科目: 来源: 题型:单选题

________ the program,they have to stay there for another two weeks.

A.Not completingB.Not completed
C.Not having completedD.Having not completed

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科目: 来源: 题型:单选题

________ for several weeks,the city needed food.

A.As having floodedB.Being flooded
C.Having been floodedD.To flood

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