按我国现行规定，可以向商业银行申请贴现的票据必须是()商业汇票。
A
暂无解析
Johnsonwas________unknownbeforerunningforthepresidency.
Hebecameasuccessfulactor________hisfatherneverwas.
Helost________________parentswhenhewasachild.
OneofthedisadvantagesintheGrammar-TranslationMethodisthatthetextsaretakenfrom_____,thelanguageofwhichdoesn'toftenmeetthepracticalneedsofthelearners.
WeshallcancelthecontractifyoufailtoopentherelativeL/C____theendofthisyear.