Hes been doing a lot of things.
"What have you been up to?" means "what have you been doing?"
i have been doing good
They have been doing it since october of 2008, witch was the frog.
How have you been doing. This have been a beautiful day.
How have you been doing. This have been a beautiful day.
It means "What have you been doing lately?"
I'm doing ok. How are you?
depends what their doing and what they have been doing
Ask them how they have been doing, and what they have been doing. Talk about other things you and your friend used to discuss.
The same thing that they always have been doing, helping people, but its just not as publicised as it has been in the past.
Toyota has been doing business in America for approximately 50 years.