Who vs Whose vs Whom

Could you please tell me _____ that was?

• who

• whom

• whose

The men, two of ______ were injured, walked very slowly.

• Who

• Whom

• Whose

The guy ____ computer I was using moved to Spain.

• Who

• Whom

• Whose

I know ____ did it.

• Who

• Whom

• Whose

She didn't know when the book was written, or by ______.

• Who

• Whom

• Whose

I didn't know ______ book that was.

• Who

• Whom

• Whose

I don't know _____ gave you that information, but it's inaccurate.

• Who

• Whom

• Whose

The police expert was able to determine ______ fingerprints on the doorknob.

• Who

• Whom

• Whose

These are some of the people ____ have helped me in the past.

• Who

• Whom

• Whose

I have no idea ____ left the lights on all night.

• Who

• Whom

• Whose