—Does she speak Chinese? —No, she ____. She speaks English.

—______ is it from Olympic Center to your school? — It’s about 10 minutes’ walk.

Better go to see your sick colleague right now, ______ you? 

 -You haven't been to Rome, have you? -_______. How I wish to go there!

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?