题目内容
19.We will stay at home if itrains(rain)tomorrow.分析 如果明天下雨,我就呆在家里.
解答 答案:rains.
根据We will stay at home if it--(rain)tomorrow,可知如果明天下雨,我就呆在家里.这是由if引导的条件状语从句,主语用将来时态,从句则要用一般现在时.从句中it是第三人称,所以谓语应该用第三人称单数形式.故填rains.
点评 本题考查用所给单词的适当形式填空,首先要根据语境明确句意,然后再根据相关语法对所给单词在形式上做出正确的变化.
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