They suggested that the work (be started)at once为什么填be started?

问题描述:

They suggested that the work (be started)at once为什么填be started?

suggest +that从句
例如上面的:They suggested that the work (should)be started at once.
从句中的动词之前省略了should.
例:We suggest the problem(should) be worked out at once.

suggest用虚拟语气.
work 是被做的.