Sincewehaveafocusedsubject，weshouldnottalk________.
A、atonce
B、athand
C、atintervals
D、atrandom
InCanadathefederalgovernmentshavealwaysbeenformedby________.
A、theLiberalParty
B、theProgressiveConservativeParty
C、eithertheLiberalPartyortheProgressiveConservativeParty
D、boththeLiberalPartyandtheProgressiveConservationParty
Thisisthemostbeautifulvillage_______Ivisitedtheseyears.
A、which
B、where
C、inwhich
D、that
AtanyrateIdidnotsucceed_______myselfunderstoodbyyou.
A、making
B、made
C、tomake
D、inmaking
Iftheoperation________carefullyprepared,itwouldnothavebeensuccessful.
A、wasnot
B、hasnotbeen
C、hadnotbeen
D、werenot