The water will be further polluted unless some measures ____.A.will be taken B.are tak
The water will be further polluted unless some measures ____.(上海1992)
A.will be taken B.are taken
C.were taken D.had been taken
选哪个,为什么选那个
人气：324 ℃ 时间：2020-02-03 10:28:21
解答
The water will be further polluted unless some measures ____.(上海1992) A.will be taken B.are taken C.were taken D.had been taken 【B】.are takenunless是连词,相当于if...not,意为“除非；如果不”.注意主...
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