题目内容：

My new glasses cost me ( )the last pair that i bought
为什么答案是：three times as much as

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刚刚在你另一个帖子里回答过了,贴过这里来给你~
这个问题想要表达的意思是这副眼镜比之前配的那副要贵,这里的three times as much as是修饰价钱而不是眼镜.所以是用的as much as.