问题
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——Where do you live?——I live in a tall building,on the___________floor.
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If a single cylinder relief valve on a main propulsion diesel engine begins to lift, but i
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Sometimes I dream ____ running away to a desert island.A、toB、aboutC、ofD、with
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What should one do if he/she finds the fallen space junk on the Earth?A.Leaving it where i
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While I am on holiday, ring me at my hotel only if there are any ___ message for me.A、
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I have been asked on occasion whether I would like to live my life over again. On the whol