Question

he smiled ____ at the waitress​

Answer 1

Answer:

on is the answer you can check

Answer 2

Answer: POLITELY

Explanation:

He smiled _politely___ at the waitress.

For eg., The waiter smiled politely as he handed me the bill.

Above sentences denote the gesture that smiling is a good social skill. Anyone should greet the other person. It is a part of good mannerisms. People always greet each other with a beautiful smile and polite way of talking. Politeness is a virtue which very less people have.

Hope it helps!