Завершите предложени, раскрыв скобки 1.when the bell rang the children (to run) into the classroom and (to take) their seats. 2. when i opened the door, the lesson (to begin) and the teacher (to explain) something to the class 3.before we (to take) the boy to the theatre he (never to see) a play. 4.i (to clean) the carper when the dog (to come) and (to shake) himself 5.by the time we (to arrive) the party (to finish) 6.-when you (to do) when i (to call) you? - i ( to cook)