UNIT ONE LETFERS OF COMPLAINT LEAD-IN SAMPLE WRITING GUIDED WRITING PRACTICE WRITING APPENDIX ONE FORMAT APPENDIX TWO PATTERNS APPENDIX THREE TIPS FOR MIDDLE PARAGRAPH WRITING UNIT TWO LETFERS OF APOLOGY LEAD-IN SAMPLE WRITING GUIDED WRITING PRACTICE WRITING APPENDIX ONE FORMAT APPENDIX TWO PATTERNS APPENDIX THREE MORE SAMPLES UNIT THREE LETrERS OF ESTABLISHING BUSINESS RELATIONSHIP LEAD-IN SAMPLE WRITING GUIDED WRITING PRACTICE WRITING APPENDIX ONE PATTERNS APPENDIX TWO MORE SAMPLES UNIT FOUR PRODUCT SALES LETrER LEAD-IN SAMPLE WRITING GUIDED WRITING PRACTICE WRITING APPENDIX ONE PATTERNS APPENDIX TWO MORE SAMPLES UNIT FIVE LETFERS OF RECOMMENDATION LEAD-IN SAMPLE WRITING GUIDED WRITING PRACTICE WRITING APPENDIX ONE FORMAT APPENDIX TWO PATTERNS APPENDIX THREE MORE SAMPLES UNIT SIX BUSINESS REPORT WRITING LEAD-IN SAMPLE WRITING GUIDED WRITING PRACTICE WRITING APPENDIX ONE TIPS FOR WRITING A REPORT APPENDIX TWO MORE SAMPLES APPENDIX THREE PATTERNS UNIT SEVEN CHART WRITING LEAD-IN SAMPLE WRITING GUIDED WRITING PRACTICE WRITING APPENDIX ONE FORMAT APPENDIX TWO PATTERNS APPENDIX THREE EXPRESSIONS ]UNIT EIGHT SUMMARY OF ENGLISH BUSINESS ARTICLE LEAD-IN SAMPLE WRITING GUIDED WRITING PRACTICE WRITING 參考文獻(xiàn)