Ezeket a mondatokat h kell szenvedő szerkezetbe tenni angolul?

1.Somebody can easily mend this door.

2.What should one do in such cases?

4.I don't think anyone can do it.

5.They would undoubtedly have killed him if he hadn't promised to co-operate.

9.The authorities have refused my friend a passport. (?)

10.This is the third time they have written to us about it.

11.They tought to have pointed that out to me at the very beginning.

12.Someone should look into the matter.

13.I was shocked to hear that someone had broken into your house.

14.Nobody has slept in that room for years.

15.People should not speak about such things in public.

16.An offical held us up at the Customs for half an hour.

17. He hates people making fun of him.