题目内容

6.The water should be boiled to make sure it is clean and safeto drink(drink).

分析 水应该被煮沸以确保干净及饮用安全.

解答 答案:to drink
解析:分析句子结构可知横线前面的句子已经完整,再根据括号内所给词提示而可知:水干净及安全的"结果"是可以饮用,故此处应该使用动词不定式表示结果.综上,本题答案为:to drink.

点评 本题考查单词填空,做此类题目时一定要仔细分析句子结构,找出句子所缺成分并结合所给提示确定所填词,再根据其它要求判断所填词的形式是否需要改变.

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