_____ the front door _____, he had to en
题型:选择题
问题:
_____ the front door _____, he had to enter the room through the back door.
A.Seen; painted
B.Seeing; painted
C.Being seen; being painted
D.Seeing; being painted
_____ the front door _____, he had to enter the room through the back door.
A.Seen; painted
B.Seeing; painted
C.Being seen; being painted
D.Seeing; being painted