Ответ:

1. They didn't cost very much.

2. I didn't enjoy my holiday.

3. Who did you watch the competition with?

4. I'm writing this note to answer the questions you asked  me in your note.

5. Did you see the sports championshipyesterday? Which sport did you see?

6. I'm very sad because you didn't go to my birthday party.

Объяснение: