48．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 【查看更多】

 

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

查看答案和解析>>

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

查看答案和解析>>

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. has been leaking D. leaked

查看答案和解析>>

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

查看答案和解析>>

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

查看答案和解析>>


同步練習(xí)冊答案