Uzupełnij zdanie odpowiednim przyimkiem:

1) We are interested …… purchasing your carpets.
2) Inform us if you grant any discount …… regular orders.
3) If you quote good prices we may sign a contract …… you.
4) Could you please send to us your offer …… leather bags?
5) We look forward to hearing …… you.
6) We expect you to submit an offer …… your most favourable terms.
7) We would like to know whether you are able to deliver …… 2 weeks of receipt …… order.
8) We are selling …… the domestic market.
9) We would like the shipment to continue …… the end of the year.
10) Are you able to deliver …… regular intervals?