I spoke to the man which was sitting on the floor.
who/that
___ couple was sitting on ___ bench.
A; the
Her parents were some professors at a small university.
get rid of "some"
Did you read the memo, that explained all of the rules?
which
Andrew and Ruby are ___ best students. (made by Captain)
the
We have plenty of cookies, please take the other one.
change "the other" to "another"
Can you remember the time where the fire alarm went off?
when
Turn to ___ right.
the
change "any" to "some"
At the end of the summer, they will start to innovate the building she works.
in which she works/where she works
___ gold is ___ precious metal.
none; a
Some scientists believe humans are born to sacrifice themselves; the others think otherwise.
change "the others" to "others"
The dictionary we looked in it doesn't have recently coined words.
get rid of "it" ("that" can be omitted)
Linguistics are the study of the nature and structure of languages.
switch "are" to "is"
Any people in our class are psychopaths.
Change "any" to "some"