Question

Use Past Indefinite or Past Continuous: 1. When the taxi (to arrive) I still (to pack) my things. 2. What you (to do) in the evening yesterday? - I (to watch) TV and my wife (to wash up). 3. I (to do) all the exercises while you (to smoke). 4. Mr. Brown, where you (to be) when they (to drive) your car at midnight? 5. When the clock (to strike) nine she (to run) up the stairs to her office because the lift (not to work). 6. He (to stand) and (to watch) while the boys (to fight). 7. She (to wear) a marvellous new dress at the party and (to look) fantastic! 8. He (to wait) for her for an hour but she never (to come).

Answer 1

When the taxi arrived I still were packing my things
What you was doing in the evening yesterday? I watched TV and my wife washed up
I did all exercises while you was smoking
Mr. Brown. where you were when they were driving your car at midnight?
when the clock struke nine she was runing up the stairs to her office because the lift wasn t working
he was standing and watching while the boys fought
She was wearing a marvellous new dress at the party and looked fantastic! 
8. He was waiting for her for an hour but she never came.  

Answer 2

1. When the taxi arrived, I was still packing my things. 2. What were you doing in the evening yesterday? - I was watching TV and my wife was washing up. 3. I did all the exercises while you were smoking. 4. Mr. Brown, where were you when they drove your car at midnight? 5. When the clock struck nine, she ran up the stairs to her office because the lift wasn't working. 6. He was standing and watching while the boys were fighting. 7. She was wearing a marvelous new dress at the party and looked fantastic! 8. He waited for her for an hour but she never came.

In these sentences, the Past Indefinite and Past Continuous tenses are used to describe actions that happened in the past. The Past Indefinite tense is used to describe completed actions in the past, while the Past Continuous tense is used to describe ongoing actions in the past. The choice between these two tenses depends on the specific context and the relationship between the actions being described.