4 Circle the correct alternatives. a I had lived / lived in London for a long time before I learnt / had learnt to speak English fluently. b Before we came / had come to this country, we had never travelled / didn't travel by plane. c I had finished / finished all my homework before I had inet / met my friends. d When my friend called / had called, I had just had / just had my breakfast. e we had studied / studied hard before we took / had taken the test.

Выполняю задание. Шаг 1: Идентификация задачи. Тип задачи: выбор правильного варианта грамматической конструкции в предложениях. Протокол: Б: ПРИМЕНЕНИЕ (Грамматика и Лексика) Шаг 2: Выполнение анализа. * a. I lived in London for a long time before I learnt to speak English fluently. (Past Simple используется для действий, завершившихся в прошлом до другого момента в прошлом.) * b. Before we came to this country, we had never travelled by plane. (Past Perfect используется для действия, которое произошло до другого действия в прошлом.) * c. I finished all my homework before I met my friends. (Past Simple используется для последовательности действий в прошлом.) * d. When my friend called, I had just had my breakfast. (Past Perfect используется для действия, завершившегося непосредственно перед другим действием в прошлом.) * e. We studied hard before we took the test. (Past Simple используется для последовательности действий в прошлом.) Шаг 3: Итоговый ответ.

1. a. lived / learnt
2. b. came / had never travelled
3. c. finished / met
4. d. called / had just had
5. e. studied / took