情景交际。(把正确答案的序号写在横线上。)
Bai Ling: I have a monkey.
Wu Yifan: ____May I have a look?
Bai Ling: ____Here you are.
Wu Yifan: ____Oh, it is nice.____
Bai Ling: Thanks.
A: Thank you. B: Sure. C: I like it. D: Really?
( )
有一个电脑程序,当你输入一个数字时,会输出如图结果:
那么当输入4时,输出图形中的数字之和是 84 .