Meaning of FILL in English
BAD : My shoes were filled with water so I took them off.
GOOD : My shoes were full of water so I took them off.
BAD : The eight o'clock train is usually filled with office workers.
GOOD : The eight o'clock train is usually full of office workers.
be filled with = containing so many or so much that there is no empty space left: 'The first drawer was filled with neat piles of shirts.' 'The front page is filled with the most important news items.'
be full of = (1) containing a large number or amount: 'The kitchen was full of flies.' 'The essay was full of mistakes.' (2) be filled with: 'The kettle was full of boiling water.'
BAD : You'll have to fill an application form.
GOOD : You'll have to fill in an application form.
fill in/out a form, coupon etc: 'To open a new account, you have to fill in an application form.' 'Remember to fill out the counterfoil.'
fill in an empty space on a form, coupon etc: 'Just fill in Section A.'
fill in details on a form: 'Fill in your name and address and then sign the form at the bottom.'
Note that fill out is more common in American English.
Longman Common Errors English vocabulary. Английский словарь распространенных ошибок Longman. 2012