什么情况下主语相同bedongci省略啊

题目

什么情况下主语相同bedongci省略啊

答案

省略的目的是要让变化后的的句子意思简单明了.当主语和谓语相同时,一般是可以省略的.如：
When he was studying in the classroom,he was trying hard to work out every problem.
=When studying in the classroom,he was trying hard to work out every problem.