题目内容
4．--Are you going to climb the mountain tomorrow？--Yes．But if it ______，I_______ at home．（ ）
| A． | rains； stay． | B． | will rain； stay． | ||
| C． | will rain； will stay | D． | rains； will stay |
分析 -明天你打算去爬山吗？-是的．但是如果下雨的话，我将待在家里．
解答 正确答案：D．本句是if引导的条件状语从句，通常遵循"主将从现"的原则，则从句应用一般现在时，主句应用一般将来时．根据句意第一空从句主语是第三人称单数，则应填写rains，第二空应填写will stay，故选择D．
点评 本题考查if引导的条件状语从句，基础题，掌握其基本用法，再根据题干即可作出选择．
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| play，polite，you，surprise，with，work，even，step，action，loud |
David was surprised at the bird's change，and he was just to ask what had made such a （75）surprising change when the parrot went on saying，"May I ask what the chicken in the fridge did？"