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IV. Complete the sentences with the verbs in the box. Use the past continuous.

1. The tourists ____________________ the Buckingham Palace when it started to rain.
2. The security guard ____________________ the car park using CCTV at that time.
3. There was a big fire while the workers ____________________ the cathedral.
4. I beg your pardon – what did you say? I ____________________.
5. When you entered the room, we ____________________ the importance of keeping traditions alive.
6. ____________________ Peter ____________________ on the bus when we arrived at the Colosseum?
7. While my friends ____________________ a documentary about ancient castles, I was playing video games.
8. The children ____________________ for their history test when the lights went out.
9. The host ____________________ some traditional Italian dishes while the guests were chatting.
10. ____________________ you ____________________ home at 7 o’clock yesterday evening?