There is no incorrect pronoun in this sentence. The pronoun "his" is correct because it's referring to Dan [n]or Bob -- not both of them, only one of them.
http://www.grammarbook.com/grammar/subjectVerbAgree.asp
Read rules 1 and 2.
1.Neither Dan nor Bob likes onions on his sandwich.
Identify incorrect pronoun and write correct one.
1.his--their
1 answer
3 answers