Question: How do you know SAM make the tea often?

PENNY: Can you make the tea, Sam?

SAM:   Yes, of course I can, Penny.

SAM:   Is there any water in this kettle（壶）?

PENNY: Yes, there is.

SAM:   Where's the tea?

PENNY: It's over there, behind the teapot.

PENNY: Can you see it?

SAM:   I can see the teapot, but I can't see the tea.

PENNY: There it is! It's in front of your!

SAM:   Ah yes, I can see it now.

SAM:   Where are the cups?

PENNY: There are some in the cupboard.

PENNY: Can you find them?

SAM:   Yes. Here they are.

PENNY: Hurry up, Sam! The kettle's boiling!