_____ the front door _____, he had to enter the room through the back door.
#98866
A
Seen; painted
B
Seeing; painted  
C
Being seen; being painted
D
Seeing; being painted
推荐题目
         with a murder, the young man is being questioned by the police.
#97456
A
To connect
B
Having connected
C
Connecting
D
Connected
_______ many times, he finally understood it. 
#96770
A
Told
B
Telling
C
Having told
D
Having been told
_____ in Paris, the Louvre is one of the world’s largest art galleries. 
#94647
A
Locating
B
Located
C
Having been located
D
Being located