The medicine he had taken ____ the blooda.has a bad effect on b.had a bad effect on为什么选B
来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/23 18:25:09
Themedicinehehadtaken____theblooda.hasabadeffectonb.hadabadeffecton为什么选BThemedicinehehadtaken____the
The medicine he had taken ____ the blooda.has a bad effect on b.had a bad effect on为什么选B
The medicine he had taken ____ the blood
a.has a bad effect on b.had a bad effect on
为什么选B
The medicine he had taken ____ the blooda.has a bad effect on b.had a bad effect on为什么选B
定语从句的时态 had taken 是过去完成时
根据意思 主语的时态应该是过去时