Question

一道虚拟语气题,请大家帮忙解答，谢谢呀，，，，，，

It is highly desirable that a new chairman ( )for the committee.
A will be elected B is elected C elect D be elected

Answer 1

D
desirable adj. 令人满意的（虚拟用should+动词原形，should可以省略）
，如：
It is desirable that we (should) provide for the poor at Christmas.
在圣诞节施舍穷人是可喜的事。

It is desirable that atomic energy should be used for peaceful purpose.
原子能应该为了和平的目的而使用，这是合乎情理的。

Answer 2

答案选D be elected

Answer 3

D , it is +adj +that sb. should do sth. should 可以省
It is necessary （natural，strange，important） that等句型中
adj.多数表示惊奇、不相信、惋惜、理应如此等,谓语
动词用虚拟语气"(should) +do",al，strange，important）

Answer 4

选D
省略了should,完整形式为 should be elected.