翻譯：WewishtocallyourattentiontothevalidityoftheL/C,sincethereisnopossibilityofL/Cextension.
此信用證無展延可能，特此提請你方注意該信用證的有效期。
暫無解析
Sincethepremiumvarieswiththescopeof____extrapremiumisforbuyer'saccount,shouldadditionalsiskecovered?()
WeshallcancelthecontractifyoufailtoopentherelativeL/C____theendofthisyear.
Generallywecoverinsuranee__definite(明確的)instructionsfromourclients.()
Theywrotealetterofthanksto________hadhelpedthem.
WhichofthefollowingtechniquesisNOTusedintheGrammar-TranslationMethod?________
