a.

1. Were you at school yesterday?

2. James was very well yesterday.

3. We were on the plane at 4:00.

4. Were they in class yesterday?

5. David was very happy last night.

6. Hina had a meeting at 8:00 last night.

7. Was your sister in London last week?

8. It was a terrible film.

b.

A: Where were you last night?

B: I was at work all evening.

A: No, you weren't. You were with Miriam!

B: No, I wasn't.

A: Was Freddie Mercury an actor?

B: No, he wasn't. He was a singer with Queen.

A: Were you in Milan yesterday?

B: No, we weren't. We were in Rome.

A: Was the book good?

B: No, it wasn't. It was very slow!