Need someone who'd correct my work

This is my homework. As you can see I've already done it, but I am not sure if it's right. I had to make some questions so my work is in the brackets. Thank you very much for any help.

1. First they offered us drinks
What ...? (what did they offer?)
Drinks

2. Next we had a very good dinner.
What ... ? (what did we have)
A very good dinner

3. I met a very interesting man.
Who ... ?? (who did I meet?)
A very interesting man.

4. He is Alice's cousin.
Whose ... ?? (whose cousin is he?)
Alice's

5. He told he wrote tv plays.
What ... ?? (What did he tell you?)
That he wrote tv plays.

6. He knew most of other quests.
Who ... ?? (Who did he know)
Most of other guests.

7. He introduced me to the famous singer Miss Ellis
Who ... to? (Who did he introduced me to?)
To the famous singer.

8. We all asked Miss Ellis to sing for us.
What ... ?? (what did we asked)
To sing for us

9. She sang some songs by Schubert.
What ... ?? (What did she sing)
Some songs by Schubert

10.Oh, I forgot to tell you!!! I saw your friend Mrs White
... ?? (Who did I see?)
Your friend Mrs White