Tom, who had expected how it would go with his son, had a great worry ____ his mind.
He must have attended the meeting yesterday,___________ he?
I was really too busy with my homework and I couldn't help ____________ housework.
Mary is one of the brightest students who_________ from New York University.
Mary is short__________ her brother is very tall.
--Whose advice do you think I should take? --___________.