To my _________, he solve the math problem. What a clever boy!
A:surprising
B:surprised
C:surprise
D:surprises
举____闻名
____南____北
损____
根据对话内容,选择适当的选项补全对话,使对话完整。
A. She is a doctor. B. Yes. I have one aunt.
C. Good afternoon. D. Is this your aunt?
A: ____
B: Good afternoon.
A:____
B: No, this is my mother.
A: What does she do?
B:____
A: Do you have any aunts?
B:____ She is a nurse.
如图,半圆O的直径在梯形ABCD的底边AB上,且与其余三边BC,CD,DA相切,若AB=10,BC=4,则AD的长( )