His expression suggested that he ill so the teacher suggested that he sent to hospital

问题补充：

His expression suggested that he ill, so the teacher suggested that he sent to hospital at once.

A. was; must be

B. is; should be

C. be; be

D. was; be

答案：

A. was; must be

B. is; should be

C. be; be

(答案→)D. was; be

解析：句意：他的表情暗示他生病了，所以他的老师建议他应该立刻被送到医院。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。值得注意的是suggest表示“暗示，表明”时，无需用虚拟语气，故选D。