题目内容
【题目】— What do you think of the present economic situation?
— When big firms reduce their expenses, we ______ know that times are really hard.
A. shall B. could
C. must D. need
【答案】A
【解析】句意:-----你对目前的经济形势有什么看法?
------当大公司削减他们的开销时,我们就知道这段时期真的很艰难了。这里考查时间状语从句,从句用现在表示将来,主句用将来,故选A。
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