he was observed to slip into the house and help himself to w
he was observed to slip into the house and help himself to what he liked before the owner came back
中help himself to what he liked 为什么翻译为为所欲为呢?中间的What怎么理解.是不是to 后面省略了一个do,什么情况下可以省略呢?
请看原问题
http://zhidao.baidu.com/question/133849014.html
上次那题不是我问的