Williamhascuthissmoking_____tofivecigarettesaday.
A、down
B、short
C、away
D、off
Two-thirdsofhisproperty_____lostinthefire.
A、was
B、were
C、are
D、havebeen
Yourbikeneeds_____.You‘dbetterdoirightnow.
A、clean
B、tobeclean
C、beingcleaned
D、toclean
Bothofmybrothersarenowmarried，soIhavetwo_____.
A、sister-ins-law
B、sisters-in-law
C、sisters-in-law
D、sister-in-law
Thosepeople_____ageneralunderstandingofthepresentsituation.
A、lackof
B、arelackingof
C、lack
D、areinlack