Закончить предложения. Let me help you with the preparations, ... (don't I, will you, won't you)? Let's play a game of chess,

Закончить предложения. Let me help you with the preparations, ... (don't I, will you, won't you)? Let's play a game of chess,... (shall we, don't we, will we)? No one knows about our plans, ... (don't they, do they, doesn't anyone)? You know why I am angry, ... (do you. don't you, am I not)?