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A.[-(1-2-(n-1)),1-2-(n-1)]B.[-(1-2-(n-1)),1]C.[-1,1-2-(n-1)]D.[-1,1]
-------John and I will celebrate our fortieth wedding anniversary next month.--------Oh, _________!A. cheer up B.well done C. go ahead D. congratulat
-------Do you have enough to ________ all your daily expenses?--------Oh yes, enough and to spare.A. cover B. spend C. fill D. offer