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sitting there to__________. Black doesn39。s wrong? —I didn39。 M2 Unit 2 一、單項(xiàng)選擇 mother has taught in this school ________ she was twenty years old. A. for B. until C. because D. since was________the meeting because of his bad illness. from in at don39。t have enough nurses to look after the patients. At least________nurses are needed. ten ten more another 4.—You look so tired. What39。t go to bed ________ I finished watching “In the Name of People” last night. A. until B. if C. though D. unless knows if he_______. If he_______here, I39。t like travelling