英语四级经典必背500句：听力口语的关键句49

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　　英语四级经典必背500句：听力口语关键句49 　　49.I was under the impression that the tickets were sold out a long time ago. 　　四级词汇讲解: 　　be under the impression that 意为 认为，觉得 ，该种表达不常见，因此是本句的难点。其实它相当于think或者have the feeling that 。如: 　　I was under the impression that he was kind.我的印象中他挺善良的。 　　Im under the impression that language is complex.我觉得语言挺复杂的。 　　I am under the impression that it will rain in the afternoon.我觉得下午会下雨。