问题
选择题
If my lawyer ______ here last Saturday, he ______ me from going.
A．had been; would have prevented
B．had been; would prevent
C．were; would prevent
D．were; would have prevented
答案
答案：A
虚拟语气，与过去事实相反用过去完成时态。
搜题请搜索小程序“爱下问搜题”