--- You seem to be familiar with London.--- I ______ there for three years. It’s great to be back.
#99805
A
lived
B
had lived
C
have lived
D
live
推荐题目
Computers ____ in offices and homes since 1970s. 
#100256
A
have been used
B
had been used
C
was used
D
has been used
 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