... –Unit 11-Lesson 5-Period 721-common cold a-triÖu trøng2-disease b-ch¶y níc mòi3-symptom c-bÖnh c¶m thêng4-runny nose d-ho5-slight fever e-bÖnh tËt6-cough f- h¾t x× h¬i7sneeze g-sèt nhÑ ... 5a.p 17)+Answer key: 1-jeans clothes - 18th century 2-students - 1960s 3- cheaper - 1970s 4-fashion - 1980s 5-sale - 1990s* comprehension questions(Read 5b.P18)-Asks ss to work in pair ... thẻ Ba- No, of course notb-No, not veryc- Very well thank youd- Whats a pitye- Yes ,thats rightf-You are wellcomeg-Thanks , the same to youh-Yes, Id be glad toi-Yes, certainlyj-Its a...