... office? Do you often go to the post office? what for? what for? Saturday,December 13 th ,20 08 Unit 8: Places Lesson 47 At The Post Office (B1) I,B1 listen and read.Then practice with a partner. ... from your house ? *How to ask the price 1, How much is this stamp ? It is 8. 000 dong *How much does it cost ? It costs 8. 000 dong 250.000 2,How much are these flowers? They are 250.000 dong *How...