题目内容
17.Water is very important and valuable.We cannot leave the taprunning (run) all the time.分析 水很重要也很宝贵,我们不能让水龙头一直流水.
解答 答案:running.
提示词是动词,根据所给单词结合语境可以推测句意为"水很重要也很宝贵,我们不能让水龙头一直流水.",根据设空处前面的动词leave判断此题考查句式:leave sb./sth.doing 让某人/某物一直做某事,故答案为:running
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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