Ответ:
1.
1) How about a coffee?
2) Shall I take your jacket?
3) Shall we ask for the bill?
4) I'll take you home.
5) Why don't we go to the cinema?
6) Let's have another drink.
7) Shall I call you tomorrow?
8) Why don't we meet at the station?
9) I'll book the tickets.
2.
1) Why don't we go to the cinema?/I'll book the tickets.
2) Shall I take your jacket?
3) How about a coffee?
4) Shall we ask for the bill?/Let's have another drink.