題目列表(包括答案和解析)
It seems 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 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 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. has been leaking D. leaked
It seems 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 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
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