Измените предложения с страдательного залога:
1) D.Defoe wrote the novel about Robinson Crusoe at the age of sixty.
2) Sir Christopher Wren designed St. Pauls Cathedral in the late 17th century.
3) In Bangladesh people celebrate New Year in April.
4) Grandparents brought up Mike and his younger sister.
5) All students in our class use computers.
6) My friends invited us to a party.
7) Most people in the USA speak English.
8) Millions of people visit Moscow every year.