can i have directions to the post office?中为什么“direction”要加s

Let's go to the post office ,but how can I ___?A.go there B. how can i ( get to ) the post office How can I get to the post office同义句 how can i get to the post office?___________________________ how can I get to the post office?同义句 How can I get to the nearest post office? How can I get to the post office? A:I'm going to the post office,for I have a letter to post B i will go to the post office.Do you have a letter （to post） I get to the post office at___nine. I'm going to the post office i don't know how i can get to the nearest post office.(原意) i