从句i insist that a doctor ____immediately
问题描述:
从句i insist that a doctor ____immediately
a .has been sent for
b.sends for
c.will be sent for
d.be sent for
这道题我完全没有概念,
为什么abc都不对?
答
楼上不是正解,我说一楼
D.be sent for
虚拟语气,should+动词原形,省略了should .不要被楼上误解了.