作业帮 > 英语 > 作业

If you _____ faster, we could have turned in the project bef

来源:学生作业帮 编辑:大师作文网作业帮 分类:英语作业 时间:2024/09/20 08:03:28
If you _____ faster, we could have turned in the project before the deadline. 选A,详细解释原因?
A. work, B. had worked, C. have worked, D. working
我个人觉得应该选择B,属于条件句的虚拟语气,因为主句中用的完成式.
If you _____ faster, we could have turned in the project bef
是选B.从could have turned 可知是与过去的事实相反,虚拟语气的条件状语从句要用过去完成时.