IV. Give the correct form of the verbs in brackets: Simple Past or Past Progressive.
1. "What were you doing (you, do) this time yesterday?"" _ "I was asleep."
2. " Did you go (you, go) out last night?" "No, I was too tired."
3. "What were you doing at 9 o'clock last night?" -"I was preparing (prepare) my math lessons ".
4. We looked out of the window. Some children were playing (play) in the yard.
5. When I was young, I wanted (want) to be a bus driver.
6. I haven't seen David for ages. When I last saw him, he was trying (try) to find a job in Paris.
7. My dog was walking (walk) along quietly when Mr. Pitt's Pekinese attacked him.
8. While I was sleeping last night, I heard (hear) a mysterious noice.
9. My father was helping my sister with her homework while my mother was doing (do) the ironing.