1. Complete the sentences in the Past Continuous or the Past Simple. 1) While I (read) a book, my brother (play) video games. 2) They (watch) TV when the power (go) out. 3) She (study) for her exam while her friends (talk) loudly. 4) We (walk) in the park when it suddenly (start) to rain. 5) He (cook) dinner while I (set) the table. 6) The kids (play) outside when I (arrive) home. 7) I (listen) to music while I (do) my homework. 8) They (have) a picnic when the wind (blow) their things away. 9) She (draw) a picture while her sister (color) in her book. 10) While I (wait) for the bus, I (see) an old friend.

Перевод задания: Дополните предложения, используя Past Continuous или Past Simple.

1. While I was reading a book, my brother was playing video games. (Пока я читал книгу, мой брат играл в видеоигры.)
2. They were watching TV when the power went out. (Они смотрели телевизор, когда отключилось электричество.)
3. She was studying for her exam while her friends were talking loudly. (Она готовилась к экзамену, пока её друзья громко разговаривали.)
4. We were walking in the park when it suddenly started to rain. (Мы гуляли в парке, когда внезапно начался дождь.)
5. He was cooking dinner while I was setting the table. (Он готовил ужин, пока я накрывал на стол.)
6. The kids were playing outside when I arrived home. (Дети играли на улице, когда я пришёл домой.)
7. I was listening to music while I was doing my homework. (Я слушал музыку, пока делал домашнее задание.)
8. They were having a picnic when the wind blew their things away. (Они устраивали пикник, когда ветер унёс их вещи.)
9. She was drawing a picture while her sister was coloring in her book. (Она рисовала картину, пока её сестра раскрашивала в своей книжке.)
10. While I was waiting for the bus, I saw an old friend. (Пока я ждал автобус, я увидел старого друга.)

Длительное действие или два одновременных действия в прошлом выражаются Past Continuous; короткое событие, прерывающее длительное, — Past Simple.