题目内容
3．-Lily wants to know if we will take a trip this weekend．-I'm not sure．If it ________，we will stay at home．（ ）
| A． | will rain | B． | rain | C． | rains |
分析 --莉莉想知道这个周末我们是否要去旅行．
--我不确定．如果下雨，我们就呆在家里．
解答 答案：C 考查时态辨析．根据句中的if，可知if．真实性条件状语从句，此时遵循"主将从现"原则，即主句用将来时，而if条件状语从句用一般现在时来代替将来时，所以本题if引导的从句时态是现在时，主语是it，第三人称单数形式，故后面的动词rain要用第三人称单数形式rains．所以选择C．
点评 本题考查时态辨析．做此题目可根据句中的时间状语或句中的动词形式．也可根据语境，判断时态，从而选出正确的形式完成此类题．
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| 48．A．to | B．from | C．for | D．at |
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