[音频]
A. I hate to take any medicine!
B. No. The appointment is tomorrow.
C. See you this afternoon.
D. I'd love to go with you.
[音频]
A. No, I don't think so.
B. Don't mention it.
C. How wonderful it is.
D. The pleasure is mine.
[音频]
A. Yes, the tooth is killing me!
B. He does not like candy.
C. Yeah, every now and then.
D. No, he is a good boy.
E > F选择器是用来选择所有E元素内的所有子元素F。
A. 对
B. 错