By"languageacquisitionisprimarilytheacquistionofthegrammaticalsystemoflanguage",linguistsmeanthat______.
WhichofthefollowingisNOToneofthecharacteristicsofidioms?
ThedivisionofEnglishintoOldEnglish,MiddleEnglish,andModernEnglishisnonconventionalandnotarbitrary.
Thesetwoalarmclocksarenormallysettogether,butnowtheyhavebeenresetafewhours_________.
Wecannotleavethistoughjobtoaperson________.