22 . надо составить похожие диалоги по таким примерам:
пример a:
excuse me, is there a post office near here?
yes, there is one on the corner.
thank you.
you are welcome.
пример b:
excuse me, how can i get to the library?
go down the street until you get to the trafilc lights. turn right and go straight on. it is on your left next to bill is restaurant.
is it far?
not really.
thank you very much.
do not mention it.