Đáp án:
1, Rick will have his hair cut by a barber
2, He had his car repaired by a mechanic
3, Are you going to have your shoes repaired by a shoemaker?
4, The floor should be cleaned!
5, It's easy for this cake to be made
6, I made the floor cleaned by my son
7, This dish is brought me by the waiter
8, This witch shouldn't be touched!