Duringthepasttwodecades,researchhas________ourknowledgeofdaydreaming.
A、expandedA
A 扩大 B 浮现、露出 C 下降 D 征服
Sincewehaveafocusedsubject，weshouldnottalk________.
Thegovernmentfinally________allthedocumentsrelatingtothewar.
Thatproposalisessentiallyirrelevant________theissueathand.
Thisisthemostbeautifulvillage_______Ivisitedtheseyears.
Robotsdifferfromautomaticmachines________aftercompletionofonespecifictask，theycanbereprogrammedbyacomputertodoanotherone.
