Нужно выбрать глагол в правильной форме!1. Before the teacher gave a new test, she the previous one.was checkinghad checkedchecked2. While Peter , his sister was doing homework. was watching TVhad watched TVwatched TV3. When Mary came to the party, the guests (already) dinner and were dancing.was finishinghad finishedfinished4. It was late. The snow by the evening.was stoppinghad stoppedstopped5. Lucie the flat before her parents came.was cleaninghad cleanedcleaned6. When I returned home, Bob still (всё ещё) all photos off the wall.was takinghad takentook7. After they in the garden, they made a wonderful dinner.were workinghad workedworked8. While I my homework, he was listening to the music.was doinghad donedid9. He said he his friends two days before.was meetinghad metmet10. He came to the bookcase, took a book and it at page 5.was openinghad openedopened11. When they arrived, we still (всё ещё) tennis.were playinghad playedplayed12. My sister to London three years ago.were goinghad gonewent​