An international contract should be executed through four basic steps: pre-preparation for contract, contract negotiation, ___1___ and contract execution, and each steps includes detail procedures, an international seller must have good knowledge of the following steps: firstly we should seek __2__and contact the certain customers who have demands indeed. The second steps we need negotiate with customers about the price, products, service etc. In this step we should make an___3___to our customers, and the costumers will make a confirmation of__4 ___or non-acceptance. After all essential factors of contract are confirmed, we should sign contract with our customer. The last step is execution of contract, in this step we need arrange shipment, prepare relative shipment documents and effect insurance if any etc. Of course our customer should also make__5___by L/C or T/T according to the contract stipulations. 1. A. contract performance B. contract signing C. contract payment D. contract shipment 2. A. market B. product C. customer D. seller 3. A. inquire B. counteroffer C. offer D. acceptance 4. A. inquire B. acceptance C. offer D. quotation 5. A. customs clearance B. payment C. shipment D. production