39 22. 2.wma

40 22. 3. task 1 instruct.wma

41 22. 3. exercise.wma

42 22. 3. task2 instruct.wma

43 22. 4. task1 instruct.wma

44 22. 4. exercise.wma

45 22. 4. task2 instruct.wma

Unit 22 answerkey.doc

unit 22-tapescript.doc