2. Раскройте скобки, употребляя глаголы в Active или Passive Voice. Переведите предложения. 1. They (wrote/were written)

1. They wrote many articles for the magazine last year.2. All the graduates defend their candidate theses before the Examination Board.3. Many compulsory subjects will be taken by the first-year students.4. These data are referred to often.5. The water has already boiled.