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专升本英语单项选择题每日一练(2017.07.06)
来源:考试资料网
1
Such problem ()air, water, and noise pollutions are becoming more and more serious in some big cities.
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2
The()into the fire accident was carried out by two policemen.
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3
()your help, I could not have finished my work so early.
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4
He said that he was ()aware of the difficulty of being a father.
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5
He was asked to speak louder()all the students in the classroom could hear him.
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