had to be done信息详情
必须被做
势在必行
to be done───将要完成（done是do的过去分词）
be had to───不得不
to be had───被拥有
had been done───过去完成时的被动语态
he had done───他已经做到了
be done───完毕；被做（被动语态形式）；（菜）熟了
have to be done───势在必行；必须被做
to done───完成
has to be done───必须这么做
The thing had to be done.───这件事情必须得做。
Something had to be done.───事我得做些什么。
Something had to be done, because the music venues and the audience kept getting larger and larger.───由于音乐场地和观众群体的增加，必须需要采取一些行动。
Something had to be done, Jane realized, besides continued study of a fondly regarded population of apes that might be doomed.───珍意识到，除了继续研究这种天真可爱的类人猿之外，人类还必须得为在劫难逃的它们做点什么。
However, up to now, it can take a few minutes for an image to be produced, and this had to be done in a hospital or specialist care centre.───然而，直到现在，它能够花几分钟来产生影像，并且这必须在医院或专科护理中心进行。
To get there they had to chisel away a concrete cell wall, and, of course, it had to be done slowly and on the QT.───为了到达这个通风口，他们必须凿穿一堵混凝土墙，当然，必须缓慢而秘密地进行这个工作。
I had never been before and with such summits as the Eiffel Tower on offer it just had to be done.───我还没有去过巴黎也没有登顶过埃菲尔铁塔，邀请里可是承诺了这点。
For his part, Mr Gori seems a bitofamusedbemused. He said he only did what had to be done.───而对于格里本人，他似乎有一些困惑，他说他只是做了应该做的事。
He showed us all how it had to be done if the world was to go on being a garden forever.───他向我们展现，要怎麽做才能让世界永远像花园一般地存在。
But it had to be done, so I brought my dining buddy Matthew, who also has innards of steel.
This station is new; much excavation had to be done to provide space and a new platform hall.
When work had to be done, we all pitched in, even when the task was unpleasant.
Yet it had to be done, for we were entering waters patrolled by enemy submarines.
Something had to be done for her.
Something had to be done with his mounting energy.
Something had to be done, and Daley gave the orders: the police were told to start making arrests.
Who could fault him for doing what had to be done to protect the lives of potential presidents?
We knew what had to be done, but it wasn't an easy task.