.----Simon won the first prize in the math contest, do you know?----Yes, ________, he’d won several first prizes on the subject.
Help me with this suitcase , ____ you ?
Why ____ you keep on troubling me with such questions while I''m busy ?
I saw him leave the office an hour ago . He ____ at this time .
You don''t look well . You ____ have a fever .
He studied hard and ____ pass the examination .