Odpowiedź:
1 - a / He was sitting in a cafe when I saw him.
2 - d / When I went out, the sun was shining.
3 - c / The boy fell down, while he was running.
4 - b / The light went out while I was having [ a ] tea.
5 - d / My friends were singing, when I came into the room.
6 - a / While you were playing the piano I wrote a letter.
7 - d / He was eating his dinner when I went to see him.
8 - a / We drank coffee every day when we were in France.
9 - d / When the phone rang I was having a bath.
10 - a / They were watching TV when they heard a noise.
Wyjaśnienie:
Past Continuous - koncowka -ing, czynnosci trwajace przez jakis dluzszy okres czasu [ np. picie herbaty ]
Po while zazwyczaj jest czas PC [ Past Continuous ]
Past Simple - poprawna forma czasownikow, czynnosci trwajace przed krotki okres czasu [ np. uslyszenie dzwieku ]
Po when zazwyczaj jest czas PS [ Past Simple ]
