Відповіді: Стр.65 (C)

C. Complete the sentences using the Passive Voice.

1. The container must not be left uncovered by the technician.

2. We were entertained by Jasper’s jokes for hours.

3. A helmet should always be worn when riding a motorbike.

4. All the necessary ingredients for the cake have already been bought by my mother.

5. The bedrooms had been tidied by the time their dad came home.

6. New paintbrushes will be bought by the school.