Complete the phrases with the words below. Would /Are / What / How / Does / Can Let’s / Why / Who / Did / Is / Don’t

1 Would you like to join us for lunch? 2 How do you do in your job? 3 Can you repeat that? 4 Did you say thirty or thirteen? 5 Is it OK to smoke in here? 6 Who can use your product? 7 What about putting an advert on the website? 8 Are you free for dinner next week? 9 Let\'s say ten o’clock? 10 Why not invite the press to the launch? 11 Don\'t you think we should ask him? 12 Does anyone have an opinion on that?