Alinguistictheoryisconstructedaboutwhat______isandhowitworks.
Amongthefollowingwords,“______”containsanegativeprefix.
MarkTwainemployedanunpretentiousstyleof()inhisnovelswhichisbestdescribedas“vernacular”.
—Davidhasmadegreatprogressrecently.—_______，and_______.
TheFinancier,TheTitanandTheStoicbyTheodoreDreiserarecalledhis“Trilogyof().”
