新概念英语第二册38课的问题

问题描述:

新概念英语第二册38课的问题
The engine was worn out.The gearbox was full of sawdust.(The engine……not only……but……as well).
如何用括号中的连词连接上面两个句子?

The engine was not onlu worn out,but the gearbox was full of sawdust as well