A:对顶角
B:同位角
C:内错角
D:同旁内角
20世纪80年代,我国城市经济体制改革的中心环节是( )
能正确反映右面地图的信息是( )
Does he have to ________home now?
While I was walking along the lake, I saw some fish _____ out of the water.