题目内容
17．对于我们来说，每天都练习说英语是很有必要的．Itis necessaryfor usto practicespeaking English every day．
分析 is；for；to； speaking
解答 答案：is；for；to； speaking
根据所给的汉语意思以及英语的翻译可知该句型表达"做某事对某人来说…"其英文表达为"It+be+adj+for sb．to do sth"根据时间状语为every day是一般现在时的标志词，故该句用一般现在时，形式主语it是第三人称单数，故第一个空格填is，套用该句型结构第二个空格在人称代词前用介词for，故填for，第三个空格在该句型中动词前用动词不定式形式填to，又知练习做某事用practice doing sth，说某种语言用"speak"，故最后一个空格用speak的动名词形式，故填speaking，故答案为is；for；to； speaking
点评 做类似题首先读汉语句子了解要表达的意思，然后跳过空格再读一下所给的英语部分从而分析出要求翻译的英语，最后填入正确答案并检查，在本题中找出表达"做某事对某人来说…"用"It+be+adj+for sb．to do sth这个句型结构是答题的关键，以及练习做某事用practice doing sth；"说"某种语言用"speak"，
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