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The medicine he had taken the blood.A.has had effect onB.had a bad effect onC.has a bad effect onD.h

编辑:chaxungu时间:2026-04-24 12:59:34分类:高中英语题库

The medicine he had taken ______the blood.
A.has had effect onB.had a bad effect onC.has a bad effect onD.had had effect on在线课程B
has a bad effect on表示“对……产生副作用”,在此用一般过去时,与定语从句用过去完成时对应.