UNIT ONE Notice,Poster and Note UNIT TWO Advertising(Ⅰ) UNIT THREE Advertising(Ⅱ) UNIT FOUR Direction for Use UNIT FIVE Invitation UNIT SIX Letters of Job Application UNIT SEVEN Application for School Attendant UNIT EIGHT Letters of Recommendation UNIT NINE Résumé UNIT TEN Inquiry and Offer UNIT ELEVEN Order and Confirmation UNIT TWELVE Contract and Bill of Lading UNIT THIRTEEN Letter of Credit UNIT FOURTEEN Claim and Refusal UNIT FIFTEEN Shopping UNIT SIXTEEN Sightseeing UNIT SEVENTEEN Seeing the Doctor UNIT EIGHTEEN Making a Telephone Call UNIT NINETEEN Abstract