7.a big cake was made for the party by me
8.we aren't asked about the thief by the police
9.were the test finished before lunch?
10.the children are always brought home by the buses
11.her home work wasn't done by her
12.you are often helped by me
13.was the last mara(? tai chu ban viet xau minh khong ro) played by you?
14.Japanese aren't spoke here