He was so that no one believed him when he said he didn't take the cookies.

Allusion and illusion. an allusion is an indirect reference, whereas an illusion is something that is unreal or incorrect. each of the nouns has a related verb form: allude “to refer indirectly to,” and illude (not a very common word), which may mean “to delude or deceive” or “to subject to an illusion.”

Use who. if it wasn't a question, you could put the he in the blank.  if you can put he or she in the blank, it's who.if you can put him or her in the blank, it's whom.

Ihighly recommend the unwind series by neal shutermanit’s a 4 book series and it’s a gripping book to read, you won’t be disappointed! : 3