A.subtle
B.outspoken
C.tactful
D.strict

A.out
B.off
C.about
D.up

A.smash
B.split
C.break
D.crush

A.fracture
B.crack
C.gap
D.hole

A.look out
B.boast about
C.shy away
D.hide away

A.dines in
B.calls upon
C.abstains from
D.pops in

A.bring
B.reward
C.give
D.accept

A.surprised
B.aware of
C.oblivious to
D.disappointed

A.conversational
B.formal
C.variable
D.idiomatic

A.are unfriendly
B.are ungrateful
C.are thankful
D.are devoted