No one _______ the building without the permission of the policeman.
#100920
A
is leaving
B
will be leaving
C
has left
D
is to leave
推荐题目
—Watch!  —I ____ but ____ I ____ anything unusual. 
#104209
A
watched; have watched
B
have watched; am not seeing
C
was watching; wasn’t seeing
D
am watching; don’t see
  He is too careless and he _______ keys.
#104138
A
always lost  
B
always loses
C
is always losing
D
will always lose
I________in the house which______books and magazines.
#103368
A
am used to live;uede to keeping
B
used to live;has been used to keeping
C
have been used to living;was used to keep
D
used to live;was used to keeping