Please help me to change the following sentences into active voice:
-My new car was stolen by the thief.
-The cake will be iced by mother tomorrow.
-He is treated with respect by his workers.
-The ten apples were brought by his uncle.
-The chair chairs have been made by her in two weeks.
-Are watches repaired by that man?
-Has the room been tied up by her?
-His portrait is being pointed by the artist.
-The accident was witnessed by Hanson.
-The bicycle will be ridden by me.
It is quiet in a hurry, so please help me if you know the answers. Thank you! :D