介词后能接从句作宾语的例句(括号内的介词也可以省略,不带括号的介词都不能省略):
Tell me (about) where you went. 告诉我你到哪里去了。
We may be late--it depends (on) how much traffic there is. 我们可能会迟到就看交通是不是拥挤了。
Look (at) what I've got. 看我这里有什么。
I'm worried about where she is. 我担心她到什么地方去了。
The police questioned me about what I'd seen. 警察盘问我,问我看见什么了。
There's the question of who's going to pay. 问题是谁来付钱。
People's chances of getting jobs vary according to whether they live in the North or the South. 人们获得工作的机会不一样,这取决于他们是住在北方还是住在南方。
I'm worried about whether you're happy. 我担心你是不是快乐。(不能说:I'm worried about if ...)
【说明】以上例句全部摘自《牛津英语用法指南》第三版。