1. one of the first things you will need to do when you settle into your house or apartment [are/is] to find a doctor and get on his list.

1. this is one of the buildings that [belong / belongs] to my uncle.

1. one of the situations that [make / makes] people very nervous [is / are] a job interview.

one of로 시작되는거면 모두 단수취급하는거 아닌가요? ㅜㅡ

답알려주세요오오오옹 ㅠㅠ