Wait a moment / second / minut

Question

I know wait a moment / second / minute -----------is right

how about

Just a moment / second / minute -------is this right ?

can i use "just" instead of wait ?

Answer 1

yes...I think you can just use "just".

Answer 2

Both of them are correct.
The first one is for the verb phrases.
The other one is for the adverb phrases.