Question

They had planning to start a dance group ..... ten years (since,for)​

Answer 1

Answer:

HeY!

They had planning to start a dance group for ten years.

hope it will be helpful ✌️

Answer 2

$\huge\underline\mathfrak\green{Answer}$

They hɑd plɑnning to stɑrt ɑ dɑnce group $\huge\underline\blue{FOR}$ ten yeɑrs$\huge\underline\mathfrak\green{thank \ uh \ for \ ASKING}$