?【15】The demand is that a user _______the operating process caref_英语解答

?【15】The demand is that a user _______the operating process carefully before using it.
A.read B.readsC.has read D. will read
翻译并且分析.

人气：241 ℃　时间：2020-02-03 22:30:33

解答

A
因为demand 引导的表语从句需要虚拟
虚拟方法是 sb should do 其中should 可以省略所以选择动词原形