What this talk is about? How many people in a talk?
What preferences does a caller request? ответ на вопрс​

1. Yes, she is the most interesting person I have ever met. 
2. Yes, its the longest book I have ever read. 
3. Yes, its the best opera I have ever heard.
4. Yes its the most difficult article I have translated.
5. Yes, its the funniest film I have ever seen. 
6. Yes, Uncle Jack its the kindest man I have ever known.
7. Yes, its the most exciting trip I have ever had.
8. Yes, its the most expensivest record I have ever bought.
9. Yes, Mary is the tallest girl I have ever met.
10. Yes, its the hardest test I have ever done.

To know your onions- знать своё дело, отлично разбираться в чём-л
When it comes to the cars,he really knows his onions.

To buy a lemon — купить что-то плохое по качеству
The people who had a new gadget have bought a lemon.

To put all your eggs in one basket-поставить все на одну карту,рискнуть всем
He lost his money because he had put all his eggs in one basket.

A big cheese-важная персона, большой начальник
His father is a big cheese in one of the international companies.

Bread and butter-средства к существованию, заработок
Teaching English is her bread and butter.