For us,_____ to college means that we can walk out of the mountains．

 It is hard to imagine a large city without policemen, but such was the ______ in London in the early 18th century.

The tomato juice left some _____ on a customer’s skirt, which made the waitress nervous.

The managing director took the _____ for the accident, although it was not really his fault.

As is well－known，the brain performs a very important ________，which controls the nerve system of the body.