请问Much _____(我感到遗憾),I was unable to finish the work on time.

题目

请问Much _____(我感到遗憾),I was unable to finish the work on time.
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答案为regret as i felt.但是这题的考点是句型adj.+as+主语+谓语.regert只能做n./v.而形容词是regretful,为什么答案给的还是regret,

答案

注意这个句型的用法
形容词/副词/名词+as+主语+谓语
而并非只有adj的,副词和名词也可以这样用
这里是名词+as+主语+谓语的用法
类似的还有Child as he is,he knows a lot.