_____ 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
Can you see a man __________ there _________ at you now?
#97482
A
sit; look
B
sat; looking
C
seated; looking
D
seated; look
Now we could not do anything but _______ for him here.
#93271
A
waited
B
waiting
C
to wait
D
wait