【题目】I was driving from Harrisburg to Lewisburg last night, a distance of about eighty miles. It was late. Several times I got stuck behind a slow-moving truck on a narrow road with a solid white line on my left, and I was clinching (紧握) my fists with impatience....
I think I stopped because it's part of a contract(合同) we all have with each other. It's not only the ___,but it's an arrangement we have,and we trust each other to ___ it:we don't go through red lights. Like most of us,I'm more likely to be ___ from doing something...