Taking into consideration our long-standing business relations with you, we accept ___by D/P.
按CIFSingapore条件成交出口大宗商品，程租船运输，卖方欲不负担卸货费，应采用()。
Because there is no direct steamer from here to your port, we suggest that you____trans-shipment at Hong Kong.
必须经过背书才能进行转让的提单是()。
We agree to the amendments to the contract _____requested in your letter of May 5.
=（）