—It seems that you know Dr. John very well. —Of course, we   ________     together for five years in the 1990s.
#105078
A
have worked
B
had worked
C
are working
D
worked
推荐题目
The Moonstone was ________in a real story which ________in England in the 1790s.
#105178
A
set; taking place
B
setting; take place
C
set; had taken place
D
set; took place
The hunter________that tiger,but luckily,it avoided________.
#105027
A
shot;being shot at
B
shot at;being shot
C
shot;shooting
D
shot at;shot at