Qual a forma verbal que completa corretamente as frases a seguir
1- why (do/does) hora have to go to the dentist?
2-whatelse (do/does)you need?
3-How (do/does)a computer work?
4-where(do/does) your grandparents live?
5-((d0/does) it rain here this month?
6-(do/does)smoking cause cavities?
obs: se puder explicar ficarei grata ;