Somelinguiststhoughtthatalllanguages______andwereruledbyacommongrammar.
A、originatedfromonelanguageA
暂无解析
They________extensiveandpossiblydangerousactualflighttraining.
Ourpaymentterms(付款方式)are___,irrevocableletterofcreditforthefullinvoicevalue.()
Asitinvolvesonlyasmall___,wehopeyouwillhavenodifficultyonpromotion.()
Don’ttrusteverything________youhavereadinthenewspapers.
TheywillgetthepreparationdoneearlyinMay.
