It seems oil______from this pipe for some time. We’ll have to take the machine apart to put it right.

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问题 It seems oil______from this pipe for some time. We’ll have to take the machine apart to put it right.

选项 A、had leaked
B、is leaking
C、leaked
D、has been leaking

答案D

解析 句意:从管子里往外漏油好像有一段时间了,看来应把机器拆开修好。考查现在完成进行时态。从“seems”和“for some time”可看出油漏了一段时间了,应该用现在完成进行时,表示“油一直在漏,如果不修的话,还会一直漏下去”。
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本试题收录于: 英语题库普高专升本分类
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