补全对话。
A: Morning, Tom. You don't look well. ____?
B: Well, I have got a cold. But it's not serious. Hey, Jack, did you see the movie on CCTV 6 last night?
A: No, I didn't. ____?
B: Harry Potter Ⅲ. It was so exciting. So, what were you doing at that time?
A: ____. I'm not good at English, you know.
B: But English is not very hard to learn. ____.
A: Thank you for your advice. ____?
B: It's nearly 7:50. Hurry up, or we'll be late fir school.
样的零件，第一台出废品的概率是
，第二台出废品的概率是
．加工出来的零件堆放在一起．若第一台加工的零件是第二台加工的零件的2倍，则任意取出的零件是合格品的概率是 （ ）
