Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.
A、meaning
B、information
C、message
D、content
There______nothingmorefordiscussion,themeetingendedearlierthanexpected.
A、tobe
B、tohavebeen
C、being
D、be
Itisdifficultto________theimplicationbetweenthelines.
A、getto
B、getwith
C、getat
D、getdown
Williamhascuthissmoking_____tofivecigarettesaday.
A、down
B、short
C、away
D、off