情景交际
从方框中选择适当的选项补全对话。
a．It's my favourite play.
b．we decided to see Romeo and Juliet.
c．Yes, I'm sure they will.
d．We went to the Globe Theatre last night.
e．I tried to understand it but it was very difficult.
A: Hello, Daming. Are you enjoying your visit to London?
B: Thank you for asking, Betty. I'm having a great time. ____
A: Oh, yes, it's great. A lot of tourists want to go there.
B: Yes, my uncle offered to take us, and ____
A: Did you understand the play?
B: Well, ____ But I know the story.
A: I hope to see Romeo and Juliet, too. ____
B: Will your parents agree to take you?
A: ____
是其中的一组，已知该组的频率为
，该组在直方图上的高为
，则
等于（ ）．