VERBS

be
go
The screen's gone blank
remain
leave sth
I left the third column blank

ADV

completely, entirely

VERBS

be, look
Gina looked blank; then understanding dawned
go
What if my mind goes completely blank with panic?
remain

ADV

completely
studiously
His expression remained studiously blank

VERB + BLANK

fill in
In the test, we had to fill in the blanks
leave
If you don't know the answer, just leave a blank

VERB + BLANK

fire
Soldiers fired blanks into the sky