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 had time to do the experiment. B. The experiment took a lot of time. C. The experiment turned out well. D. He only did part of the experiment that day. 参考答案:B 答案解析:[听力原文]
W: You didn’t have too much trouble doing that experiment, did you
M: It only took me most