The next day, the group of villagers had not gone very far ____ they entered a very narrow passage between two mountains.
I always regret not harder when I was young .
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 is by 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 .