问题
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We use plastics__________ wood and metal now.A.to take placeB.to take over###SXB#
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To make a good decision, Iyengar made the following suggestions EXCEPT that we need to____
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To trace the ______ of the Irish problem, we have to go back over three hundred years.A.bi
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"We owe different duties to different qualities" suggests______ is the duty paired with th
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To ______ is to save and protect, to leave what we ourselves enjoy in such good condition
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--- Shall we have something to eat before we go?--- _________________.A. Good ideaB. Ni