Question

select the part of the subject that agrees with the bold verb. every one of the tourists hopes lana del rey is the guide for the sightseeing trip.

Explanation:

In the sentence "Every one of the tourists hopes Lana Del Rey is the guide for the sightseeing trip", the subject - verb agreement is based on the singular "Every one". "Every one" is considered singular and thus takes the singular verb "hopes".

Answer:

Every one