Since the purchase is made（）FOB basis， you are to ship the goods from Guangzhou to Hong Kong on a steamer to be designated by us

Since the purchase is made（）FOB basis， you are to ship the goods from Guangzhou to Hong Kong on a steamer to be designated by us.

正确答案：on

解析:本题考查短语 on the basis of 的用法，意思是“在……基础上”。全句意思是：由于本次交易是基于FOB价格，贵方应用我方指定的货船从广州发货至香港。