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They have the cause of the accident, but the result is still not known to us.A.looked forB.looked up

编辑:chaxungu时间:2026-04-24 13:01:16分类:高中英语题库

They have ________ the cause of the accident, but the result is still not known to us.
A.looked forB.looked upC.looked intoD.looked round在线课程C
look into这里作“调查”讲.