Peterson used to work in a remote mountain village school which is only on foot.A. reliab

问题补充：

Peterson used to work in a remote mountain village school, which is only on foot.

A. reliable

B. accessible

C. available

D. convenient

答案：

A. reliable

(答案→)B. accessible

C. available

D. convenient

解析：考查形容词：A．reliable可靠的B．accessible易接近的，C．available可利用的， D．convenient方便的，句意：Peterson过去在偏远的山区工作，那里只有步行可以到达。选B。