5 Circle the correct item. 1 It was snowing / snowed heavily when she looked / was looking out of the window.

1 It was snowing / snowed heavily when she was looking / looked out of the window.

В данном предложении необходимо использовать времена группы Continuous (продолженное действие), так как действия происходили в определенный момент времени в прошлом.

Ответ: was snowing; was looking