When I need to add information of some kind to something else, should I use "supplement", "complement" – or another verb entirely? I have looked up both these verbs in various dictionaries, but I'm still not sure.
If you have not yet received your final grades at the application deadline, you may supplement/complement/? your application until 1 July.
These documents need to be supplemented/complemented/? with documentation of previous work experience.
If you are close to a pass, your teacher may allow you to supplement/complement/? the assignment within two weeks.
You may supplement/complement/? the police report at a later point.
These results need to be supplemented/complemented/? with results from other studies.