Solution:
- Lucas: Tell me about the film. I 1was late.
- I 2was there, remember?
- Tom: I remember! Amy and Elena 3were worried about you.
- Lucas: I know. Sorry!
- Tom: Well, it 4was a really good film. I'm sad you 5were there. The popcorn 6was great, too.
- Lucas: Oh no! I love popcorn.
Answer: 1. was, 2. was, 3. were, 4. was, 5. were, 6. was.