1. (2020四下·西安期末) 补全对话，将序号写在横线上

Dave and Mary meet in the street.

Dave: Hi, Mary. ?        

Mary: I'm going to the robot exhibit.

Dave: Really? ?

Mary: They can do lots of things.

Dave: Do they have arms and legs?

Mary: .

Dave: Do they look like humans?

Mary:

Dave: Wow, amazing. Can I go with you?

Mary: Sure. .

A. What can they do? B. Yes, they look like humans. C. Let's go. D. Where are you going? E. Yes, they have gears and wheels, too.