Question

помогите пожалуйста
1. ___ you born?
a. Where was b. Where are c. Where were
2. ___ to the train station?
a. How do I get b. How I get c. How did I get
3. ___ the answer?
a. Who knows b. Who know с Who does

Answer 1

1)a
2)c
3)b
так понятно как написано?