Astonishing as it might seem, we______one-fifth less food than we were in the 1970s.

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问题 Astonishing as it might seem, we______one-fifth less food than we were in the 1970s.

选项 A、have eaten
B、are eating
C、eat
D、ate

答案B

解析 句意:或许是让人吃惊,我们正在食用的粮食比起20世纪70年代要少1/5。have eaten指“已食用过”,是现在完成时;are eating指“正在食用”,是现在进行时;eat指“食用”,是一般现在时;ate指“食用了”,是一般过去时。根据句意,本句含有过去与现在的比较。
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