(2013·陕西师大附中模拟)If we had taken such effective measures much earlier, the river _______

(2013·陕西师大附中模拟)If we had taken such effective measures much earlier, the river ________ so seriously now.

#86520

is not polluted

would not be polluted

had not been polluted

would not have been polluted

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I was really anxious about you.You ________ home without a word.

#86628

mustn't leave

shouldn't have left

couldn't have left

needn't leave

 —You know that you were driving at 100 kilometers per hour, don’t you?—No, officer, I _____ have been. This car can’t do more than 80.

#90166

mustn’t

shouldn’t

may not

couldn’t

—The problem wasn’t difficult for him,was it?—No,it wasn’t.He      a more difficult one.

#89698

should have been given

ought to be given

would have been given

must be given

All agreed to his suggestion that a bridge across the river__________.

#86959

built

be built

would build

should build

--- Why is Jenny still standing there? It’s so cold.—She _____ for someone.

#90161

can wait

might have waited

must be waiting

should have waited

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