第16题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. John is a fast worker. B. John has not finished his homework. C. John did Jack’ s homework. D. John didn’t do the homework on his own. 参考答案:D 答案解析:[听力原文]
M: It’s hard to believe John has already finished his homework.
W: Well, he copied Jack’s h