A.come in
B.run short
C.run away
D.remain intact

A.mess up
B.clear away
C.tidy
D.clear off

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

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