WhileIwaswaitingforher,Ikilledtime____lookingintheshowwindows.
A、by
B、with
C、in
D、over
Inasecond-handbookshop,Billycameacrossabookwhichhethoughtwascertainlya____edition.
A、rare
B、scarce
C、seldom
D、hardly
ApersonwiththebloodtypeABcan_____anytypeofblood.
A、apply
B、recognize
C、receive
D、absorb
WhichdirectorisgiventheopeningspeechattheAnnualGeneralMeeting?
A、Sales
B、Personnel
C、Finance
I____comeyesterday,butIcouldnot.
A、wastohave
B、must
C、ought
D、haveto