2. 外语
  3. It seems oil______from this pipe for some time. We’ 11 have to take the machine apart to put it right.

It seems oil______from this pipe for some time. We’ 11 have to take the machine apart to put it right.

admin2012-03-04  64
问题 It seems oil______from this pipe for some time. We’ 11 have to take the machine apart to put it right.
选项 A、had leaked
B、leaked
C、is leaking
D、had been leaking
答案D
解析
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本试题收录于： C类竞赛（非英语专业本科）题库大学生英语竞赛（NECCS）分类
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C类竞赛（非英语专业本科）

大学生英语竞赛（NECCS）

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