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—Can I help you?

—I’d like ____________ for my twin daughters.

A．two pair of shoes                                        B．two pairs of shoe

C．two pair of shoe                                         D．two pairs of shoes

      —Can I help you?
—I’d like ____________ for my twin daughters.

(2006年濱州)

--- Can I help you?

--- I'd like ________ for my twin daughters.

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