One of the advantages of living on the top of a high building is that you can get a good ______.

A．sight

B．scenery

C．appearance

D．view

前、后牙均有缺失，义齿应( )

A．从前向后就位
B．从后向前就位
C．左侧先就位
D．右侧先就位
E．垂直就位