You must have read about Mark Twain long ago, ____?A．mustn't youB．haven't youC．didn't

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• I don't think a warm winter always has a negative influence on our life, _____?A．do IB．does itC
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• Something has to be done to stop the rivers from being further polluted, ?A．doesn’t itB．hasn’t itC．d
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• . Reading books is very important for developing the students’ understanding of the world, _______?A
• 现有氨基酸800个，其中氨基总数为810个，羧基总数为808个，则由这些氨基酸合成的含有2条肽链的蛋白质共有肽键、氨基和羧基的数目依次分别为[]A．798、2和2B．798、12和10C．799-高二
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• I heard that some patients who had undergone laser eye surgery experienced sudden losses of vision,
• I do believe that all the Senior 3 students in our school will do well in the coming college entranc
• There is little doubt in your mind that he is innocent, ________/A．is heB．isnit thereC．is thereD．ins
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• ---I don’t think your children could have been used to the quick pace of life while working in Shenz
• You must have been caught in the traffic jam yesterday, ______you?A．weren’tB．didn’tC．mustn’tD．haven’
• It is the second time that you have been late, ______?A．haven’t you B．isn’t itC．is itD．have you-高三英语
• _______her boyfriend is?A．What do you thinkB．Do you think whatC．What you thinkD．What you think-高一英语
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• As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?A．do t
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• You must have read about Mark Twain long ago, ____?A．mustn’t youB．haven’t youC．didn’t youD．needn’t y
• We don’t suppose he has achieved his goal, _________?A．has heB．do weC．don’t weD．hasn’t he-高一英语
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• (2013·甘肃河西五市二模)Look! The ground is wet. It must have rained last night, ________？A．hasn't itB．h
• ---- What do you think of the lecture made yesterday?---- Excellent! _______ you missed such a wonde
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• -- ______ made Daisy wild with joy?-- Her success in the A-level exam this year.A．How was it thatB．W
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• —I couldn’t get through to you at home last night. You must have gone out then, ________? — Yes, I
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• It’s impossible that you achieve your goal without effort, ________?A．isn’t itB．is itC．don’t youD．do
• 现有氨基酸800个，其中氨基总数为810个，羧基总数为808个，则由这些氨基酸合成的含有2条肽链的蛋白质共有肽键、氨基和羧基的数目依次分别为[]A．798、2和2B．798、12和10C．799-高一
• The news that he fought with his coach surprised us, ________?A．did heB．didn’t itC．didn’t heD．did it
• Few weight-loss pills can help to keep people slim, __________?A．do theyB．don’t theyC．can’t theyD．ca
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• (2013·辽宁六校高三联考)I told Mom that not everyone could manage to have 3 meals on time everyday, ________？
• I can’t believe that anyone else in the school can swim as fast as you, ?A．can IB．can’t theyC．can’t
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