Thosepeople_____ageneralunderstandingofthepresentsituation.
A、lackof
B、arelackingof
C、lack
D、areinlack
Your bike needs_____.You ‘d better do i right now.
A、clean
B、tobeclean
C、beingcleaned
D、toclean
Two-thirds of his property_____lost in the fire.
A、was
B、were
C、are
D、havebeen
He drove fast and arrived an hour_____of schedule.
A、inadvance
B、ahead
C、abreast
D、infront
Copernicus maintained that the earth_____round the sun.
A、moves
B、moved
C、moving
D、move