SAT语法知识

动词时态 同一段要时间一致，有时间标志词。 现在完成时可以和现在时平行，也可以和过去时平行

B. 判断题干关键词的方法： 1） 有疑问词，必为关键词：what, why, how, when 2) 无疑问词，实义词为关键词，越具体越好 3) 关键词一般是可以表达作者观点的词，优先看形容词、副词、抽象名词、重要动词

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This is a generic article you can use for adding article content / subjects on your website.

This is a generic article you can use for adding article content / subjects on your website.

This is a generic article you can use for adding article content / subjects on your website.