The man we followed suddenly stopped ad looked as if     whether he was going I the right direction.
#98584
A
seeing
B
having seen
C
to have see
D
to see
推荐题目
The Shanghai Center,        to be environmentally friendly, will be completed this year. 
#88621
A
designed
B
designing
C
being designed
D
having designed
In that country, you can see the temple ___ the 12th century.
#96845
A
dated from
B
dated back to
C
belonged to
D
dating from