Question

1. He drove his car carefully.
2. He drove his car in a careful manner/way.

3. He greeted the person politely.
4. He greeted the person in a polite manner/way.

5. He said no angrily.
6. He said no in an angry manner/way.
------------------
Is each pair interchangeable?

Answer 1

Yes, but the sentences with the adverbs are better -- shorter, more concise.

Answer 2

466