A.go off
B.go in
C.stop burning
D.continue burning

A.controversial
B.trivial
C.essential
D.optional

A.come in
B.live in
C.like
D.prefer

A.retaining
B.stopping
C.pausing
D.ending

A.scarce
B.available
C.decreasing
D.plentiful

A.remaining stable
B.going up
C.decreasing
D.developing

A.improvising
B.enhancing
C.implementing
D.enacting

A.implementation
B.enlightenment
C.encouragement
D.endorsement

A.harsh
B.separate
C.safe
D.serious

A.frighten
B.worry
C.dare
D.fear