题目内容：
Whether ways will be found to stop pollution or not is just___________ worries the public.A．whyB．whichC．thatD．what
参考答案：
单选题：Whether ways will be found to stop pollution or not is just_..
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We hadn't met for 20 years, but I recognized her_____ I saw..
We hadn't met for 20 years, but I recognized her_____ I saw her.A．the momentB．for the moment C．the moment whenD．at the moment when
__________ she couldn't understand was__________ fewer and ..
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We haven't settled the question of ______________ it is nec..
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