Passage 5

　　When we buy a postage stamp to put up 1. ___________a letter, we are paying a post office for 2. ___________taking the letter. The post office cannot do 3. ___________its work on nothing. Post offices have to 4. ___________be built. Postman and people who work 5. ___________in the post offices have to be paid. The 6. ___________train, ship or plane which brings our letters 7. ___________have to be paid. When buy the stamp, we 8. ___________are often paying for our shares of the 9. ___________expenses. This called "postage" as you know. 10. __________

　　Passage 5

　　1. up—on 2. a—the 3. taking—sending 4. on—for 5. Postman—postmen

　　6. √ 7. brings—carries 8. ∧buy we 9. 10. ∧called is