1.A.By B.At
C.In D.On
2.A.music B.song
C.melody D.style
3.A.discovered B.acted
C.invented D.designed
4.A.noticed B.found
C.listened D.heard
5.A.classical B.sacred
C.popular D.light
6.A.forms B.follows
C.approaches D.introduces
7.A.expressing B.explaining
C.exposing D.illustrating
8.A.appeared B.felt
C.seemed D.sounded
9.A.as B.so
C.either D.neither
10.A.origins B.originals
C.discoveries D.resources
11.A.concerned B.itself
C.available D.oneself
12.A.players B.followers
C.fans D.pioneers
13.A.for B.as
C.with D.by
14.A.months B.weeks
C.hours D.times
15.A.demonstrated B.composed
C.hosted D.formed
16.A.demonstration B.procession
C.body D.march
17.A.Even B.Therefore
C.Furthermore D.But
18.A.number B.members
C.body D.relations
19.A.sad B.solemn
C.happy D.funeral
20.A.whistled B.sung
C.presented D.showed