I_ a lot there days as a consequence of the sudden change of the weather,so I have to see the doctor this afthernoon a.coughed b.have been coughing c.will cough d.had coughed

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/31 12:07:43

I_ a lot there days as a consequence of the sudden change of the weather,so I have to see the doctor this afthernoon a.coughed b.have been coughing c.will cough d.had coughed

选b 现在完成进行时 表从过去持续到现在或将来继续的动作.