What is Bill going to do?
A、reserveameetingroom
B、orderrefreshment
C、findacomputer
I____comeyesterday,butIcouldnot.
A、wastohave
B、must
C、ought
D、haveto
Adults sometimes envy children who play all the time____they themselves have to
work.rain orshine.
A、while
B、once
C、since
D、though
While I was waiting for her ,I killed time____looking in the show
windows.
A、by
B、with
C、in
D、over
She was too shy to speak____.
A、inpublic
B、inthepublic
C、inapublic
D、atpublic