I'll see to it personally. Mark, please see to Mrs. Landingham and make sure she has everything she needs. This problem is unsolved yet – could you see to it? After seeing to the shopping, cleaning and cooking, he finally sat down for some rest.
zbadać, zorientować się w czymś, przestudiować. To investigate or try to get more information about something,
I'll look into it and see what I can find out. Police are looking into reports that he embezzled money. If you are buying a new car, you might want to look into getting a hybrid or other high-efficiency vehicle.