题目内容
What will the world use for power when it _______ oil?
A.run out of | B.is running out of | C.has run out | D.has run out of |
D
解析试题分析:考查词组和时态:run out和run out of,run out是不及物动词短语,没有被动式,run out of是及物动词短语,主句是一般将来时,从句用一般现在时或是现在完成时,句意:当世界用完了石油将用什么做为能源?选D。
考点:考查词组和时态
点评:记词组的时候也要记是词组是及物和不及物,从而可知词组的主动和被动。

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