题目内容
20． very dangerous children in the street．（ ）| A． | It's，for，play | B． | It's，of，play | ||
| C． | It's，for，to play | D． | This's，for，to play |
分析 小孩子在大街上玩是非常危险的．
解答 答案C
强调句式，It is adj for sb to do sth，做某事怎么样．本句中it是形式主语，指代后面不定式内容做形式主语，不定式表示具体的将要进行的动作，故选C．
点评 固定句式的考查也是英语考查的一个重点，熟记这些句式可以减少答题中的分析判断时间，所以平时加强句式记忆也是学好英语的关键环节．
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