D
for some time表示動作持續(xù)一段時間 用現(xiàn)在完成進(jìn)行時
it seems oil_____from this pipe for some time ,we'll have to take the machine apart to put it right
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
我選C錯了,請問我錯在哪了?
A.had leaked B.is leaking C.leaked D.has been leaking
我選C錯了,請問我錯在哪了?
英語人氣：103 ℃時間：2019-10-17 02:32:52
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