It smell good/well/nice?应该是哪个啊?

It smell good/well/nice?应该是哪个啊?
It smell good/well/nice?
应该是哪个啊?

It smell good/well/nice?应该是哪个啊?
good,nice 都可以
well是副词不能加在smell后面
smell这里做系动词后面接表语
形容词做表语,副词不做

it smells good

good

it smells good.闻起来香

it smells good

It smell good.

look，smell这类系动词后面用good不用well。