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Don’t take the lift in a fire because the lift __________ become trapped between floors.
A.mustB.mayC.wouldD.should
B
考查情态动词。句意“发生火灾时,不要乘坐电梯,因为电梯可能会停在楼层之间。”表示不大可能出现的可能性,用may,意为“也许”。故选B。
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