第27题: [单项选择]DVDs are more common now than the VHS-type videotapes that were once so ______ in watching movies at home. A. prevalent B. leading C. foremost D. habitual 参考答案:A 答案解析:高级问题 句子的意思是: 录像带曾经非常怎么样,而现在DVD很流行。那么当然是曾经很“普及的”意思。common在这里和widespread是同样的意思。 [高频词语] leading