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<正> 先来看两道高考题:1._________we’ll go camping tomorrow de-pends on the weather. (NMET 96) A.If B.Whether C.That D.Where2.__________the 2000 Olympic Games will beheld in Beijing is not known. (MET 92)A.Whenever B.If C.Whether D.That Keys:1.B 2.C if与whethe