Answer:
Step-by-step explanation:
1 I cannot answer this question as the subject of the question is missing.
2 Yes, I did write the number down.
3 Yes, I have got an umbrella.
4 No, I couldn't get into the opera.
5 I cannot answer this question as it is incomplete.
6 Yes, the piece of paper is in my bag.
7 No, we didn't have tickets.