Всем привет, помогите с упражнением:

Underline the correct alternative:
1) I’ll / Would you like to open the door for you.
2) Would / Could you like to speak to reservations?
3) Would / Can I help you with your luggage?
4) Could / Would you like to book a table for dinner?
5) Could I / Would you like to book a taxi to the airport for you?
6) I’ll / Could I ask the chef what he has available.