Question

Over the past few years the cost of living _______________considerably.

A．has been raised

B．has risen

C．was raising

D．was rising

Answer 1

B

试题分析：考查时态和动词。Raise及物动词提高；rise不及物动词上升。本题的时间状语Over the past few year常与现在完成时连用；
点评：时态的考查要根据上下文的语境和句子的关键词，本题就是根据Over the past few years选定使用现在完成时。