Which of the following sentences is grammatically correct?

Question

Quizplus · Accepted Answer

Normally, the adverb well is used to modify verbs, while the adjective good is used to describe nouns.
Dieter speaks English very good: you would never guess he is from Germany.
This sentence is not correct. Normally, the adverb well is used to modify verbs, while the adjective good is used to describe nouns.
Could you recommend me a well dentist around The Bay Area?
This sentence is not correct. Normally, the adverb well is used to modify verbs, while the adjective good is used to describe nouns.
Rodney's new band sound surprisingly well.
This sentence is not correct. Normally, the adverb well is used to modify verbs, while the adjective good is used to describe nouns. However, linking verbs such as sound, taste, smell, or appear are always followed by an adjective and not an adverb.

Which of the Following Sentences Is Grammatically Correct