1:do good to (对...有益),do harm to (对...有害)
这样的。很好套。一般什么题材的作文都可以套。
2:That is the reason why ~~~ (那就是...的原因)
例句:Summer is sultry. That is the reason why I don‘t like it.
夏天很燠热。那就是我不喜欢它的原因。
3:There is no knowing what may happen tomorrow.
谁也不知道明天将发生什么。