Unit 1 PART Ⅰ Communication Skills I'd Like to Reserva a Room PART Ⅱ TextA Taking a Taxi in the United States PART Ⅲ TextB Varieties of Introductions PART Ⅳ Writing Work Leaving a Message Unit 2 PART Ⅰ Communication Skills Where is the Flight to Los Angeles? PART Ⅱ TextA New Year's Customs PART Ⅲ TextB Preaparing for a Conversation PART Ⅳ Writing Work Making an Appointment Unit 3 PART Ⅰ Communication Skills IS This the Train to Boston? PART Ⅱ TextA China to Push Economic Growth PART Ⅲ TextB Business Gift Giving in the U.S. PART Ⅳ Writing Work Asking for Leave Unit 4 PART Ⅰ Communication Skills How Can I Get My Checks? PART Ⅱ TextA Mother's Day PART Ⅲ TextB PART Ⅳ Writing Work Unit 5 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 6 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 7 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 8 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 9 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 10 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 11 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 12 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 13 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 14 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 15 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 16 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 17 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 18 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 19 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Unit 20 PART Ⅰ Communication Skills PART Ⅱ TextA PART Ⅲ TextB PART Ⅳ Writing Work Vocabulary