Adverb or adjective? Choose the correct word.

1) Tim runs fast или faster?
2)Jane speaks fluently или fluent English.
3) They make a really hard или harder job.
4) Max is a goog или well singer.
5) He sings good или well .
6) Tom is a slowly или slow worker.
7) He works slowly или slow .
8) Please be carefully или careful .
9) My neighbor always plays loud или loudly music on the weekends. It’s so annoying.
10) He’s always in a rush. I don’t understand why he walks so quick или quickly .