Duringthepasttwodecades,researchhas________ourknowledgeofdaydreaming.
A、expandedA
A 扩大 B 浮现、露出 C 下降 D 征服
Peoplewhocan’t_______betweencolorsaresaidtobecolor-blind.
Ayearlater，withthenation’seconomy________，Bush’sapprovalratingdroppedbelow40percent
Hewasspecificallyaskedtowriteaplaythatwouldbe________tothelocalcommunity.
The vehicle was traveling at speeds ________ 90 miles per hour.
Since we have a focused subject ，we should not talk ________.
