ella es mi amiga
I don't know if you wrote it wrong
Answer:
I stop, make sure the car is locked and then go to the front door.
Or I stop, open the door, and say hello to the front secretary.
Explanation:
I'm not exactly sure what you're asking but by the patters of the first sentences, I think the ones I put are right.
Answer: Mexico, the 5 de mayo is celebrated in honor of the Batalla de puebla (and puebla is a state in Mexico).