Помогите с английским! Past Continuous

Ex.
4. Put the words in the correct order.

1. painting/
while/ was/ the/ fell/ chair/ he/ off/ the/ he/ wall.

2. theatre/ the/
while/ saw/ near/ accident/ I/ was/ I/ an/ standing.

3. when/ dinner/
tongue/ was/ he/ he/ his/ bit/ having.

4. you/
yesterday/ at/ time/ doing/ were/ what/ this?

5. them/ met/
going/ were/ when/ you/ they/ where?

6. she/ party/
was/ the/ wearing/ what/ at?

7. waved/ him/
to/ was/ but/ not/ he/ I/ looking.