unit 84 时间无法确定
dialogue 英语情景对话
A:What time is it by your watch? A:你的表几点了?
B:I'm sorry, my watch has stopped. B:对不起,我的表停了。
A:lt's 2:42 by my watch. But it moves a bit fast. A:我的表2:42.可是它有点快。
B:Let's ask someone else. B:我们问问别人吧。