I think you'd better see a doctor.(保持原句意思) I think it is _____ ______ you t see a doctor.

问题描述:

I think you'd better see a doctor.(保持原句意思) I think it is _____ ______ you t see a doctor.
为什么是用better for?..

it is good for sb.to do sth.某人这样做是好的
然后把good 换成比较级better
试理解一下