He started to complain about the wicked world but was interrupte by a knock at the door.
问题描述：
He started to complain about the wicked world but was interrupte by a knock at the door.
1、在句中做什么成份,but 后为什么没有主语?
2、这是一个复合句吗?
答
什么在句中做什么成分,but连接并列句,前后主语一致,所以省略了he
复合句不太清楚,应该不是,复合句是有主句和从句,这句话没从句~
复合句着个在百度可以查