题目内容
8．提高校车安全很重要．It's very imprtantto improve the safety of school buses．
分析 It's very imprtant
解答 答案：It's very imprtant．根据中文表示做某事很重要，用句型It's+adj+to do sth，it作形式主语，to do sth 是真正主语，重要用important，用副词very表示程度很，故答案是It's very imprtant
点评 这是一个很重要的固定句型，一定要牢记
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