问题
选择题
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
答案
答案:A
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
答案:A