1 Those skyscrapers were built by a well-known architect.
2 A short-length dress will be worn by my girlfriend.
3 My room is redecorated by me every summer.
4 The vegetables weren't frozen by him.
5 Badges are collected by my friend.
6 Jack's laptop will be used by him.
7 A bone was eaten by my dog yesterday.
Объяснение:
