Complete the question correctly: "_____________ a similar invention before?"
Have you seen
Complete the question correctly: "This is a spectacular invention, __________?"
isn't it
Complete the question correctly: "You want to buy one of these devices, ___________?"
don't you
Complete the question correctly: "Teens are clever enough to invent useful things, __________?"
aren't they
Complete the question correctly: "The answer isn't so obvious, ___________?"
is it
Complete the question correctly: "___________ is the intended purpose of a Pet Rock?"
What
Complete the question correctly: "________ you_________ played video games on a portable gaming console?"
Have (you) ever
Complete the question correctly: "I shouldn't just throw out this old phone, ___________?"
should I
Complete the question correctly: "You got one of those for your birthday, ____________?"
didn't you
Complete this question correctly: "_____________ would you pay for this invention?"
How much
