是as good as对，还是as well as对？

as good as是跟一样的意思,as well as 是也的意思,看你用在这么地方了.

都对的，要看情况，前者是 和……一样好
后者是 也 的意思

具体情况具体分析好不好.
as well as 是"也"的意思.
as good as 是跟...一样好, 如 This laptop is as good as that one.

后者