56._________
A.On
B.In
C.From
D.Since
_________(57)A.like B.as C.for D.since
_________(53)A.Since B.Out C.From D.Through
_________(59)A.unless B.ifC.as D.since
_________(57)A.like B.asC.for D.since
63._________A.to B.on C.from D.about
54._________A.without B.by C.from D.upon