Only when he met the girl his aunt intro
题型:选择题
问题:
Only when he met the girl his aunt introduced to him ____ that he had seen her before.
A.he realized
B.he did realize
C.realized he
D.did he realize
Only when he met the girl his aunt introduced to him ____ that he had seen her before.
A.he realized
B.he did realize
C.realized he
D.did he realize