The office building _____ the classrooms
A、behind
B、behinds
C、isbehind
()It'snineo'clock.Imust______.
A、gohome
B、gotohome
C、togohome
D、gothehome
Ihavetwogoodpenfriends.OneisanAmerican,______isinEngland.
A、theother
B、anotherone
C、another
D、other
Theman_______thephotoismyfather.
A、in
B、inthe
C、onthe
D、under