(单选题)3: 第三次作业问题6 A: Help the woman move the items. B: Hurry to Mr.Johnson's office. C: Help move things to Mr.Johnson's office. D: Put off his appointment with Mr.Johnson. ...

(单选题)17: 第二次作业问题14 A: To withdraw his deposit. B: To cash a check. C: To rob the bank. D: To get his prize. ...

(单选题)11: 第二次作业问题11 A: They hire only retired workers. B: They each do jobs they are good at. C: They close the hotel during low seasons. D: They employ as few workers as possible. ...

(单选题)5: 第二次作业问题10 A: She's flying to Hong Kong. B: She's going to buy an air ticket. C: She's going to say good-bye to Bill. D: She's leaving for Hong Kong with Bill. ...

(单选题)13: 第一次作业问题8 A: He was seriously wounded in a mine explosion. B: He was slightly injured in a traffic accident. C: He was kept in hospital for a long time. D: He was fined for speeding. ...

(单选题)7: 第一次作业问题10（作业音频请到课程公告里下载） A: It's much more difficult than people think. B: It's believed to be the hardest optional course. C: It's too tough for some students. D: It's not as hard as expected. ...

(单选题)5: 第四次作业问题1 A: How do you do? B: Nice to see you. C: Hello D: Fine, thank you. ...

(单选题)19: 第三次作业问题A10 A: Twelve students took the exam. B: Forty students passed the exam. C: Twelve students failed the exam. D: Twenty-eight students failed the exam. ...

(单选题)13: 第三次作业问题A4（作业音频请到课程公告里下载） A: Her vacation lasted two weeks. B: Her vacation lasted three weeks. C: Her vacation lasted four weeks. D: Her vacation lasted five weeks. ...

(单选题)7: 第三次作业问题B5 A: Breakfast was ready before we left. B: We left without having breakfast. C: Before breakfast we were ready to leave. D: We left to get breakfast. ...