第19题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He hasn’t the time to do the experiment. B. The experiment turned out well. C. The experiment took him a lot of time. D. He did only part of the experiment that day. 参考答案:C 答案解析:[听力原文]
W: Was that the assignment given by Professor Brown I don’t think you have much trouble doi