A、reserveameetingroom
B、orderrefreshment
C、findacomputer
I____comeyesterday,butIcouldnot.
A、wastohave
B、must
C、ought
D、haveto
Inasecond-handbookshop,Billycameacrossabookwhichhethoughtwascertainlya____edition.
A、rare
B、scarce
C、seldom
D、hardly
WhileIwaswaitingforher,Ikilledtime____lookingintheshowwindows.
A、by
B、with
C、in
D、over
Theredcolorcanstimulateallour____,includingappetite.
A、thoughts
B、worries
C、senses
D、desires