模拟谈判一般发生在国际商务谈判基本程序中的（）
Hefound_______difficulttostudymaths.
Accordingtotheshipping_____itwillbeimpossibleforustoshipthegoodsinOctober.()
翻译：Sineethepremiumvarieswiththescopeofinsuranee,extrapremiumisforbuyer'saeeount,shouldadditionalrisksbecovered.
Johnsonwas________unknownbeforerunningforthepresidency.
Itissurprisingthatthisinnocent-lookinggirl________________(commit)suchacrime.