Determine which preposition is used in the following situations.
Cum
In
Ab
None
Cum
In
Ab
None
Cum
In
Ab
None
Cum
In
Ab
None
Cum
In
Ab
None
Cum
In
Ab
None
Cum
In
Ab
None
Cum
In
Ab
None
Cum
In
Ab
None
Cum
In
Ab
None
Cum
In
Ab
None