如何在定语从句的连词前加介词.The pencil ——which he wrote was broken.请说明理由.
问题描述：
如何在定语从句的连词前加介词.The pencil ——which he wrote was broken.请说明理由.
答
with
可以把介词 放到动词后面看是否符合题意
The pencil which he wrote （with）was broken
他用来写字的铅笔断了