问题描述：
哪个用法是正确的,关于careful和carefully
as careful as possible
as carefully as you can
这两个用法哪个是对的
如果用as carefully as possible也对吗?
as careful as possible
as carefully as you can
这两个用法哪个是对的
如果用as carefully as possible也对吗?
问题解答：
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