The closest option I had of the three choices was "Keti tafadhali." Reported November 2019
Same here, April '20.
Same here, July 2020
Is it mandatory to say "tafadhali" after "kaa". I wrote "Tafadhali kaa" and it was rejected. I just want to know. Thank you.
The word order shouldn't matter here. Another polite way to say 'have a seat' is Karibu kiti: Welcome to the chair!
Why not "Tafadhali kaa chini"?