单选题 It is ＿＿＿＿＿＿＿ for us to see the great changes in our hometown. 的答案

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题目内容：
It is ＿＿＿＿＿＿＿ for us to see the great changes in our hometown.
题目选项
amazing
amazed
amazes
to amaze

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