Not once ________ to Michael that he could one day become a top student in his class.
Catherine is one of the brightest students who from the Department of Computer Science , Brown University .
The belief that the children of working mothers usually suffer isby most scientists.
Something about his manner suggested that he not interested in what we were doing .
the teacher’s suggestion, Tom finally found a way to settle the problem .
Class is to begin in a minute , but the teacher still hasn’t .