31. ________ each other for long, the tw
题型:选择题
问题:
31. ________ each other for long, the two brothers decided to meet soon.
A.Not having seen
B.Not seen
C.Having not seen
D.Not seeing
31. ________ each other for long, the two brothers decided to meet soon.
A.Not having seen
B.Not seen
C.Having not seen
D.Not seeing