Carmen, Josh and Mike (was/were) all removed from the game because of disobedience.
were
Either the teacher or the students (prepares, prepare) the decorations for the event.
prepare
Either my brother or his friends (is, are) bringing snacks for the game night.
ARE
Croissants and muffins (is/are) delightful breakfast treats
are
The manager or the assistants (leads, lead) the team meeting every Monday.
lead
????
BONUS 10 POINTS
My parents and I (has/have) always travelled together.
have
Either Sarah or her friends (enjoys, enjoy) the new movie series.
enjoy
The coach and the players (meets, meet) after practice to discuss the strategy.
MEET
When spring and summer (comes/come) I am most excited
come
The president or the board members (makes, make) the final decision on policies.
make
Both the singer and the dancers (performs, perform) exceptionally well during the show.
PERFORM
Either Cathy and John (have/has) been selected or those twins from down the street.
have
Either my sister or my cousins (has, have) planned the surprise party for our grandparents.
have
Either the chef or the kitchen staff (prepares, prepare) the special meals for the event.
PREPARES