Since we can't hear you at the back of the hall, you'll have to __________ your voice.
（A）improve
（B）increase
（C）raise
（D）open
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更多大学英语选择题200道试题
- 1I can hardly believe my eyes.This ___________ man is actually a scientist who once won the Nobel Prize.
- 2__________ a teacher in a university, it is necessary to have at least a Master's degree.
- 3Having been on the ____________ for the whole month, the criminal decided to turn himself in to the police.
- 4Mr.Sanders has been asked to _____________ the next meeting of the committee.
- 5The man with ____________ strength could lift a heavy rock without any difficulty.
