"filling it out" is correct and usable in written English.
You can use it when you are referring to the process of providing information on a form or document. For example, "I need to finish filling it out and then submit my application."
It is actually the less familiar, later work in this show's second half that is most gripping, as Braque continues on alone with Cubism, expanding and filling it out, making its intersecting forms and transparencies and free-range details more legible and consequently more engaging and seductive.
We'll be filling it out shortly.
Hints for filling it out are included below.
While filling it out, I've never felt so alone.
And it's also good practice in sustaining the imaginative world, filling it out".
From the earliest days of his career he cut a big figure, but of late he's been filling it out too, playing the boss character to the hilt.
When filling it out, move on if you can't remember a detail because the company may well be able to process the form anyway.
Since the Common App is just a virtual application, there's no need for students to start filling it out until admissions due dates are approaching, typically early in their senior year.
The cost of filling it out, according to an informal survey of hedge-fund managers, will be $100,000-150,000 100,000-150,000he forst timeach does it.
He produced what one official called a "superficially perfect" proposal by downloading from the military's secure intranet a targeting form and filling it out -- complete with the "bombing encyclopedia" number, as well as eight-digit longitudinal and latitudinal figures.
This homely dish is economical, too – which may also explain its current popularity: "Meatballs were historically a way of stretching a limited supply of meat and filling it out with other ingredients," food writer Signe Johansen points out.
