Answer to #6 is D, answer to question 2 is B, and question 3 is estan i believe. sorry if im incorrect.
tú: informal
usted: formal
vosotros: familiar- only in Spain , to males or mixed group.
vosotras: familiar- only in Spain , to a group of females.
ustedes: plural, formal or informal.
Answer:
Hola! Como estas hoy?
Explanation:
Hello! How are you today?
Answer:
In rainy time weather is dangerous.
Explanation:
I am not sure it's correct .