A.held on
B.pressed ahead
C.slept at
D.hung out

A.relation
B.comparison
C.competition
D.impact

A.around
B.in
C.across
D.out

A.the wall
B.the foot
C.the ring
D.the brink

A.occurred
B.happened
C.took place
D.took part

A.event
B.performance
C.incident
D.occasion

A.With/of
B.With/to
C.In/of
D.By/on

A.of
B.on
C.in
D.by

A.mistaken
B.misunderstood
C.missed
D.lost

A.cooperation
B.association
C.league
D.conjunction