It seems oil______from this pipe for some time. We’ll have to take the machine apart to put it right. (厦门大学2013年试题)

admin2018-09-18  34

问题 It seems oil______from this pipe for some time. We’ll have to take the machine apart to put it right. (厦门大学2013年试题)

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

答案D

解析 现在完成进行时表示在一段事件内持续进行的动作,并对现在产生一定的影响。句意是:似乎油从管道泄漏已有一段时间了,我们将不得不把机器拆开修理。所以正确答案是D选项。
转载请注明原文地址:https://kaotiyun.com/show/3GUO777K
0

最新回复(0)