I believe the correct answer from the choices listed above is the first option. A collective subject is a noun (functioning as the subject) that describes a group made of many parts. Examples are brood of chickens, drove of cattle, gaggle of geese, nest of bees, swarm of hornets and herd of buffalo.
1- who do you think has the prettiest dress tonight ?
2- what’s your favorite song to dance to ?
3- do you think there should be snacks at dances?
4- what’s your favorite type of dancing to do at dances ?
5- how long do you think it took for most people to get ready ?
6- what’s your favorite color dress ?
7- do you think certain music shouldn’t be allowed
8- is there a special someone you’d like to dance with ?
9-is it better to come to dances with friends or boyfriends ?
10- who’d you come with ?
To think hard and give good examples. In which you give good answers to things most of the time like you think good