问题补充:
It is demanded that the plan out as soon as possible.
A. must be carried
B. is to carry out
C. carried
D. be carried
答案:
A. must be carried
B. is to carry out
C. carried
(答案→)D. be carried
解析:本题重在理解虚拟语气的运用。常见动词:一个坚持,两个命令,三个建议,四个要求。即:
1. insist 2. order, command 3. advise, (sb. ) suggest, propose 4. demand , require, request, desire
这些动词后面的宾语从句要使用虚拟语气。即从句中的动词使用should + 动词原形,或者将should省略。故选D。