题目内容
7．Look!A blind man is in the middle of the street．Let's help him go across the street．分析 看，一个盲人在街道的中间，让我们帮他过马路吧．
解答 答案：across．
根据所给首字母提示结合语境推测句意是"看，一个盲人在街道的中间，让我们帮他过马路吧．"，根据设空处前面的动词go判断设空处缺少介词，所填单词"穿过"是across，所以答案是：across
点评 做这类题型，首先根据所给单词首字母明确句子所要考查的单词的拼写，再结合相关语法知识对单词做出形式上的变化．
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