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As a senior two student, he must his studies and has no time to think about anything else.A.depend o

编辑:chaxungu时间:2026-04-24 12:54:30分类:高中英语题库

As a senior two student, he must ________ his studies and has no time to think about anything else.
A.depend onB.look onC.turn onD.concentrate on在线课程D