—You don’t believe in aliens, do you ?
—__________. It’s a crazy idea.________

It is impossible that you achieve your goal without effort,         ?

Her daughter had a bad cough again, ______she?

— I telephoned him twice and I couldn’t get through to him. 
—The line might have been out of order, _______?

When you have a job interview, it's ________ you're dressed that sets the tone of it.

---- Hey, Mum. _________________?
---- I can’t find my wallet. Can you do me a favour and look for it?

—Are you going to the concert tonight?
—I should have told you that I won’t, ______?

–Alice, feed the bird today, _____?
--But I fed it yesterday.

I don’t think she will come to the meeting on time, _________?   

--- I don’t think it is good for animals to stay at zoos, ___________?
---- I agree with you.