Ответ:
1.He didn't watch TV.
2.He didn't see the film.
3.They didn't play tennis.
4.She didn't study Italian.
5.She didn't teach Italian.
6.She didn't speak Italian.
7.They didn't have a party.
8.He didn't leave a message.
9.She didn't send an email.
10.They didn't do the exercise.