поставьте слова в правильную форму времени

IV. Choose the correct Past tense and open the brackets:

1. He (play) computer games while his mother (cook) the dinner.

2. -What (write) yesterday at 7 o’clock?

- I (write an essay) in English.

3. Last year my family (go) to the seaside.

4. I (type) a letter on my computer when it suddenly (break down).

5. We (go for a walk) when met Sam.

6. When he finished his homework the film (start).

7. She (wait) for three hours when the plane landed.