Ask for the information in the brackets. Remember to use the past continuous: an example is given. Don't forget to use a question mark at the end of each question!
Example: Ann was swimming with Peter. (Peter)
Who was Ann swimming with?
1. Henry was living in London last year. (in London)
2. Sarah was singing a song. (a song)
3. Bob was walking home because his car had a flat tyre. (because his car had a flat tyre)
4. The children were playing in the sandbox. (in the sandbox)