Intheoriginaltest，alltheanimalsinatestgrouparegivenasubstance_______halfofthemdie
B
本题考查词义辨析。 until：直到。符合句意，表示 given a substance 持续到 half of them die 。
In1920,()publishedhisfirstnovelThisSideofParadisewhichwas,tosomeextent,hisownstory.
Amongthefollowingwriters()isgenerallyregardedastheforerunnerofthe20th-century“stream-of-consciousness”novelsandthefounderofpsychologicalrealism.
“MylastDuchess”isapoemthatbestexemplifiesRobertBrowning’s().