Fill in or fill out?

[Guest]

Test No. incompl/advan-54 "Taxes", question 7

Before you can claim any money back on overpayment of tax, you have to ......... an application form.

(a) fill for
(b) fill out
(c) fill through
(d) fill with

Test No. incompl/advan-54 "Taxes", answer 7

Before you can claim any money back on overpayment of tax, you have to fill out an application form.

Correct answer: (b) fill out

Your answer was: correct
_________________________

In case "fill in" would also be possible to choose - I think it were ok, too, weren't it?

[Torsten]

Exactly. Fill in and fill out are the same in this case.

TOEIC listening, photographs: A large pipeline

[Rich7]

Some slight differences though, as in:

You can fill in for me, I'm not coming. (be a substitute)

This farm pig is filling out more and more. (become round)

[Torsten]

Exactly. That's why I said 'in this case'.

TOEIC listening, photographs: The five star bedroom