Complete the conversation between an American boy \(A\) and a British boy. \(B\)

A: What do you call the thing that takes you to the higher floors in a tall building?
B: We call it a lift. I think you call it an ... .
A: That’s right. And what about a store?
B: We usually say a ... . I think you also have a different word for a motorway.
A: Yes. It’s a ... . And in American English, we call rubbish ... .
B: Do you know the British word for a cookie?
A: I think it’s a ... , but I’m not sure. Now I’ve got a question for you. What are pants?
B: That’s easy. They’re ... .