Hello,Wu Yifan.Hi,John.what are you going to do this afternoon?i'm going to a birthday card for sarah,tomorrow is her birthday.that'ok!we can do it together.
where are you going now,john?
i'm going to the post office .where is it,please?it's next to the big spermarker.
how can i ger there?you can go by the no.4 bus.get off the library. it's on the left.
you see the supermarker.the post office is next to the supermarker.