您要查找的是不是:
- It is necessary that he be sent there at once. 有必要马上派他到那里去。
- It is necessary that he (should) sort out the information for my reference. 他有必要整理些资料供我参考。
- It is necessary that we are ready by seven. 我们7点以前准备好是必要的。
- It is necessary that we go to help her . 我们去帮助她是有必要的。
- It is necessary that we meet every two weeks. 我们每两周聚会一次是必要的。
- It is necessary that the children should obey you. 孩子们必须听你的话。
- It is necessary that he there at once. Be sent. 有必要马上派他到那儿去。
- It is necessary that you install a burglar alarm. 你有必要装防盗警报器。
- It is necessary that children have enough sleep. 孩子们有足够的睡眠是很有必要的。
- It is necessary that he study maths. 他学数学是必要的。
- It is necessary that one should obey the law. 一个人遵守法律是必要的。
- It is necessary that those machine be examined. 那些机器检查一下是必要的。
- It is necessary that those machine is examine. 那些机器检查一下是必要的。
- It is necessary that we meet every two week. 我们每两周聚会一次是必要的。
- It is necessary that he should be sent there at once. 有必要马上派他到那里去。
- It is necessary that we do this in our construction. 在建筑工程中我们需要这样做。
- It is necessary that he comes to the office right away. 有必要让他马上到办公室来。
- It is necessary for sb. to do sth. (It is necessary that ...) ... 是必须的; 必须...
- It is necessary that he listen to the radio frequently. 他很有必要常听收音机。
- It is necessary that she should be sent there at once. 有必要马上派她到那里去。