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问题详情：他自从来到我们学校就教我们物理．  sincehecametoourschool，【回答】Hehastaughtusphysics．【分析】Hehastaughtusphysicssincehecametoourschool．【解答】句中有since引导的时间状语从句，意为"自从……"，常和...