问题描述：
情态动词How do you like the food here?Oh,excellent
How do you like the food here?
Oh,excellent,we ___ a better one.
A can't find B couldn't have found
为什么?
How do you like the food here?
Oh,excellent,we ___ a better one.
A can't find B couldn't have found
为什么?
问题解答：
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