Direction: In the following questions, some parts of the sentences have errors. The number of that part is your answer. Your answer is (4) i.e. No error.
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Solve the question according to given instruction
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- May I know
- to who
- I am speaking ?
- No error.
Correct Option: B
whom will replace who because –
who refers to the subject of a sentence whereas
whom refers to the Object of a sentence.
If the Pronoun can be replaced by he, we use who and if it is replaced by him, we use whom
Look at the examples given below : 
