A: Hey, Bea. I need some help (stacking) these boxes. Would you please give me a hand?

B: OK. And I need some help (tidying) up the house. How about your helping me out after that?

A: OK. If you scratch my back, I'll scratch yours.

B: I know you don't like doing housework, but I'll help you with the boxes if you promise to (return) the (favor).

A: No problem. I'll even do the windows.

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