3. Complete the sentences using past simple or past continuous. 1) We ___ (have) breakfast when the telephone ___ (ring). 2) She ___ (meet) a lot of friendly people while she ___ (work) in Russia. 3) When they ___ (leave) the gallery, the sun ___ (shine). 4) The students ___ (laugh) when the professor ___ (come) in. 5) While the children ___ (sleep), their parents ___ (watch) TV. 6) It ___ (start) to snow while she ___ (come) back from the opera. 7) When Pete ___ (open) the door, it ___ (rain). 8) While Evgeny ___ (sunbathe), his wife ___ (swim) in the sea. 9) She ___ (hear) a loud bang while she ___ (talk) to her friend. 10) While he ___ (take) a shower, his cats ___ (eat) his steaks.

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

1. We were having breakfast when the telephone rang.
   (Мы завтракали, когда зазвонил телефон.)
2. She met a lot of friendly people while she was working in Russia.
   (Она встретила много дружелюбных людей, пока работала в России.)
3. When they left the gallery, the sun was shining.
   (Когда они вышли из галереи, светило солнце.)
4. The students were laughing when the professor came in.
   (Студенты смеялись, когда вошёл профессор.)
5. While the children were sleeping, their parents were watching TV.
   (Пока дети спали, их родители смотрели телевизор.)
6. It started to snow while she was coming back from the opera.
   (Начался снег, пока она возвращалась из оперы.)
7. When Pete opened the door, it was raining.
   (Когда Пит открыл дверь, шёл дождь.)
8. While Evgeny was sunbathing, his wife was swimming in the sea.
   (Пока Евгений загорал, его жена плавала в море.)
9. She heard a loud bang while she was talking to her friend.
   (Она услышала громкий удар, когда разговаривала с подругой.)
10. While he was taking a shower, his cats were eating his steaks.
    (Пока он принимал душ, его кошки ели его бифштексы.)

Правило: длительное фоновое действие выражается Past Continuous, а короткое действие, прерывающее его или происходящее в определённый момент, — Past Simple.