【正文】 rew watered the plants. Becky unplugged the electrical items. Andrewturned off the lights. Becky emptied the trash. P3 A water theplants B 2L 3P 4L 5P 6P,L P4 B Mina can’tremember where she put her passport. P8 Optional Listening1 A ． flew four three B. 1, 3, 5, 7, 8, Optional Listening2 P9 A ． 1. I haven’t finished 2. I’ve canceled 3. I’ve picked up 4. I haven’t taken 5. Have you washed 6. I haven’t cleaned 7. I’vewatered 8. I’ve given you packed B. 1. No, he didn’t. 2. He confirmed all the flights. 3. They wanted him to e in and waterthe plants for them. 4. Because the dog always looks scared. 5. They want to use it again on theirnext vacation. Optional Listening3 P10 A ． planning 2. tagging luggage 3. saving space 4. your carryon bag 5. other ideas B. 1,3,6,9,bad 2,4,5,7,8,10, good Optional Listening 4 P11 A ． 1. theadvantages of traveling alone B. 3, 4,6 C. 1. vacation college / research teamvolunteer 2. golf/mountain climbing/scuba diving/ridea horse 3. tours for: women only/ people over 60/ singleslooking for romance/fine dining P13 A B 。 Presents such as albums of photos, videos, etc. Unit 5 P71 colleges. applied tofour colleges. 3. He was accepted tocollege. received ascholarship. attended college inthe fall semester. got good grades. P72 researched: California State University, HarvardUniversity, City College applied to: Harvard University,City College was acceptedto: City College P73 cab He’ll probably attend City College P74 A:cadb B:dbca P77 Optional Listening1 A ． What are you going to do? B. Mizuki: art, chill out/relax Robert: law, take a long trip dislikes cell phones more than shelikes them 。只有你自己才能把歲月描畫成一幅難以忘懷的人生畫卷。 2. T 3. T 4. F 5. T 6. T P99 A 20yearold new adults flight attendant, notpassenger P14 B cbabc P15 541 236 P16 (1) Oh my gosh! (2) Are you sure? (3) so strange (4) Got it (5) get traveler’s checks (6)Whew (7) pay the electricity and phonebills (8) change my voice mailmessage (9) I don’t remember (10) Howtrue (11) don’t forget to unplug yourTV and electrical stuff (12) Done P17 A pass 3. checkin counter partment attendant 6. oxygen mask luggage 8. baggage claim B a. When you arrive at the airport for yourflights, you go to the checkin counter first. b. When your departing