As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?

I’m certain you’d rather she was opposed to my proposal,______

I told them not everybody could run as fast as you did, ______?

I suppose that there used to be a fairy in the woods, _______?

I think he must be writing his essay at home now, ______?

No one will be sad because humans will have learnt to fix many of the problems that affect us now, like war, pollution and hunger, ________ ?

I don’t believe you can do today’s job with yesterday’s methods and be in business tomorrow，                                                   ?

There is little doubt in your mind that he is innocent,        ?

-_______do you spare time to visit your parents every month?
-Twice.

Since it will take years to know the effect of genetically modified food, it’s more sensible to give it a second thought before we eat it,        it?