They ________ extensive and possibly dangerous actual flight training.
B
句意：他们经历了大量的并且可能是危险的实际飞行训练。
_______thefirstlanguageisusedintheteachingofthesecondlanguageintheGrammar-TranslationMethod.
_______foralongtime,mostofthecropsinthisareadiedfromlackingwater.
Wearelookingforwardto___yourL/CforOrderNo123.()
Itisbelievedthatgrammaranalysisandtranslationbegantobethebasicproceduresinforeignlanguageteachingfrom_______.