Ответ:

ex 2

2 It was hot yesterday.

3 We were nervous before our exam.

4 The DVD was very good.

5 They were asleep in the theatre.

6 You were late for the school bus.

ex 3

2 wasn't

3 weren't

4 weren't

5 wasn't

6 weren't

ex 5

2 The nurse wasn't early.

She was late.

3 The little boy wasn't happy.

He was sad.

4 The baby wasn't awake.

He was asleep

5 The man wasn't nervous.

He was calm.