1.I’m sorry for your telling me a lie.
I’m sorry that（you have told me a lie )
2.We are sure of the success.
We are sure that(we will succeed )
3.He didn't tell me when we should start.
He didn't tell me when(to start ).
4.Have you decied where to stay?
Have you decied where(you will stay )?
我是英语教师,答案满 吧.不明可再问.