从句i insist that a doctor ____immediatelya .has been sent forb.sen_英语解答

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?

人气：462 ℃　时间：2019-12-06 18:01:01

解答

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.