He filled me in on the latest developments
Somebody ——s somebody
Somebody ——s something
The young teacher had to substitute for the sick colleague
The skim milk substitutes for cream—we are on a strict diet
Somebody ——s
Somebody ——s PP
fill out this questionnaire, please!
make out a form
Somebody ——s something
* * *
my producer will have to have someone standing by to fill in for me
* * *
fill in an application
fill in an order form
Please fill in the blanks. [=put information in the blank spaces]
At the end of the movie, the narrator goes back and fills in (all) the blanks. [=the narrator provides missing information about the movie's plot]
Just tell me the most important parts–you can fill in the details later.
He can't be here today, so he asked me to fill in.
He asked me to fill in for him.
Useful english dictionary. 2012.