如题所述
to our surprise是介词短语，被程度副词much修饰后，在句中用作副词，做状语；to my surprise本身就是介词短语； as fast 是副词短语，后面的as引导的是比较状语。
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第1个回答 2012-04-13
（much） to our surprise 是介词短语，much 是程度副词修饰介词短语，常在句中作状语；
as fast as常用在比较状语中，eg. The car is as fast as that one. (fast 是形容词)；He can run as fast as his father.(fast 是副词)
as fast as常用在比较状语中，eg. The car is as fast as that one. (fast 是形容词)；He can run as fast as his father.(fast 是副词)
