"Therefore, I will give you one day to complete your business and depart."
But come to us when you have completed your business.
I will try to complete my business ahead of time and get back to London while your brother is still here.
Once out of the net, however, he would be able to complete his business very quickly.
He had all the time he needed to complete his business here.
He was anxious, though, to complete his business and return home.
The best thing was to complete his business and then get the hell out.
"We expect, if all goes well, to complete our business with him before he has had a chance to do so."
It will take me at least that to complete my business.
She completed her business in the bathroom, and returned to the main room to dress.