Which sentence has incorrect subject-verb agreement?

Tom and Jerry fill the auditorium every time they conduct.
Tom and Jerry conducts the symphony orchestra.
Tom and Jerry write the sheet music for the musicians.
Tom and Jerry sell the most inexpensive tickets in the area.

Question

Which sentence has incorrect subject-verb agreement?

    Tom and Jerry fill the auditorium every time they conduct.
    Tom and Jerry conducts the symphony orchestra.
    Tom and Jerry write the sheet music for the musicians.
    Tom and Jerry sell the most inexpensive tickets in the area.

anonymous · Answer

@Smores

anonymous · Answer

Second is incorrect. They are using a singular present-tense verb when there is two people. Therefore, the  proper verb would be conduct.

anonymous · Answer

what

anonymous · Answer

B would be your answer as it has the incorrect usage.