We shall do everything possible to assist you in ______ a mutually beneficial trade.
A、developingA
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Wehavetopointoutthatthepostponementofthefulfillmentofthecontract______causeduscertainexpenses.
We____somebrochures____toillustratethetypesofmaterialswemanufacture.
______, we are airmailing you our latest quotation-sheet.
We are glad to receive your telegraphic order of May 6, ______ regret that we can not supply the goods ______ the end of May.
We believe such an agreement will prove ____.