A.crash
B.smash
C.clash
D.crisis
A.five-hundreds-words
B.five-hundreds-word
C.five-hundred-word
D.five-hundred-words
A.sick holiday
B.sick vacation
C.leave
D.sick leave
A.oddity
B.earnest
C.excursion
D.heaven
A.comment
B.concern
C.problem
D.way
A.more complicated
B.more confirmed
C.less clear
D.less controlled
A、good enough
B、so well to
C、well enough to
D、too well to