It seems that oil from this pipe for some time.We’ll have to take the machine apart to put it right.
A. had leaked
B. is leaking
C. leaked
D. has been leaking
It seems that oilfrom this pipe for some time.We’ll have to take the machine apart to put
答案:2 悬赏:20 手机版
解决时间 2021-04-05 00:11
- 提问者网友：你给我的爱
- 2021-04-04 08:30
最佳答案
- 五星知识达人网友：山君与见山
- 2021-04-04 09:02
A. had leaked B. is leakingC. leaked(答案→)D. has been leaking解析：考查时态。现在完成进行时表示从过去一直延续到现在的动作，而且此动作还有可能延续下去。
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- 1楼网友：青尢
- 2021-04-04 09:23
这个答案应该是对的
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