I don't know __________ the case should be reported to
A.
which
B.
who
C.
whom
D.
who's
Correct Answer: whom
Explanation
Most appropriate option
is whom
The appropriate pronoun required for the given sentence is object case, In other words, it is object pronoun that needs to fill in the position. The sentence can be broken down for easy explanation:
The case should be reported to somehody, (ii) I don't know the person (to which the case
should be reported).
(ili) I don't know whom the case should be reported
to.
Note that whom is used instead of who, as the object of a verb or preposition - just as we have in the given sentence.
Most appropriate option
is whom
The appropriate pronoun required for the given sentence is object case, In other words, it is object pronoun that needs to fill in the position. The sentence can be broken down for easy explanation:
The case should be reported to somehody, (ii) I don't know the person (to which the case
should be reported).
(ili) I don't know whom the case should be reported
to.
Note that whom is used instead of who, as the object of a verb or preposition - just as we have in the given sentence.