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 从本题上下文看,这两个句子的意思是:“看来,这个管道漏油已有一段时间了,我们将不得不拆卸机器...
But Jane could think with certainty on only one point, -\- that Mr. Bingley, if he had been imposed on, would have much to suffer when the affair became public. “这的确叫人...
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