题目内容：
根据下列选项，回答题。There are many parties involved in an L/C operation．They are the applicant，issuing bank，advising bank，beneficiary，negotiating bank，and so on．An applicant is the party that applies to a bank for opening a letter of credit．An applicant may also be called “opener”0r“accountee”．It is usually the buyer or importer in a contract．An1 bank refers to the bank that issues a letter of credit at the request of the applicant，and is responsible for payment of the proceeds under an L/C if the terms and conditions of the credit are complied with．An2 bank is usually a bank in the seller’s country．Of course，it may also be in a third country．Upon instructions and entrustment of the issuing bank，the advising bank
advises the3 0f an L/C．A beneficiary refers to the party in whose favor an L/C is opened and which should comply with the terms and conditions of the credit in order to receive the proceeds．It usually refers to the 4 ，the exporter．A negotiating bank is the bank that negotiates the beneficiary’s draft(s)．It may be the 5 bank or another bank authorized to negotiate the documents．If there is no specific stipulation in the L/C，the exporter may present the documentary draft to any bank that is able to do the negotiation．
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