题目内容
17.It's not healthy tobreathe(呼吸) dirty air.分析 呼吸脏的空气是不健康的.
解答 答案:breathe.
根据提示汉语结合语境推测句意是"呼吸脏的空气是不健康的.",由设空处后面有宾语dirty air判断本题要使用动词"呼吸",表达"呼吸"用 breathe,并且根据本题使用的句式是:It's+形容词+to do sth.判断应填动词原形,所以答案是:breathe
点评 做这类题型,首先根据所给汉语明确句子所要考查的单词或短语的拼写,再结合相关语法知识对单词或短语做出形式上的变化.
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