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

admin2011-02-05 22

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、is leaking
C、leaked
D、has been leaking

答案D

解析该句中时间状语for some time表明这个动作已进行了一段时间，而句中的谓语动词 seems和will have to take说明leak这个动作还在进行，可能还会延续下去，故需用现在完成进行时。

转载请注明原文地址:https://kaotiyun.com/show/DRAK777K

B类竞赛（英语专业本科专科）

相关试题推荐

随机试题

最新回复(0)