Ex.4. Write the sentences in Passive voice using an appropriate tense

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:

2)do

3) yummy

4)you

have.

must.

could.