перевидите предложения в косвенную речь.
Kate says: I will go to see my friend tomorrow.
Victor says: I want to see your sister
Nina says: Let's play badmiton
He says Who is this man ? I don't know him.
Alec asks me: Have you ever been to London ?
She asks:How many parts are there in the UK?
She asks: Where is Moscow situated?

Kate says she will go to see her friend tomorrow. Victor says he wants to see my sister Nina suggests playing badminton He asks who that man is, as he doesn't know him. Alec asks me if I have ever been to London. She asks how many parts there are in the UK. She asks where Moscow is situated.