1.例句:There are four rooms in the house, the biggest of which is a drawing room.
翻译:这房子里有四间屋子,其中最大的是一件画室。
分析:在这个非限制性定语从句中先行词应该是 rooms,关系代词是 which。
which 在从句中的...
The medicine is more effective than is expected.这句话可不可以变成:The medicine is more effective than is expected to be.第一句看成省略了做主语的关系副词what,第二句省略了做宾语的关系副词what和主语the medicine?