____ each other for years, they talked almost the whole night and had a wonderful time. 
#88676
A
Not having seen
B
Having not seen
C
Not seen
D
Not to see
推荐题目
Upon ________ his studies, he started travelling in China. 
#90548
A
finish
B
finishing
C
he finished
D
finished
Nobody but doctors or nurses and those ________ by Dr Li ________ to enter the patient’s room.
#88751
A
being invited;allowed
B
are invited;are allowed
C
invited;is allowed
D
invited;are allowed