Why not ____ help when you were in trouble?

 -- Peter, set down the result of the experiment, ______?-- Oh, yes, but I need to find my pen first.

　　------ Alice, you feed the bid today, _______ ?　　------ But I fed it yesterday .

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

--                 they like oranges? ---No,they             .