_________ we have been classmates for th
问题:
_________ we have been classmates for three years, she hasn’t left me much impression, so I can’t remember her after graduation.
A.Since
B.Although
C.Because
D.Unless
_________ we have been classmates for three years, she hasn’t left me much impression, so I can’t remember her after graduation.
A.Since
B.Although
C.Because
D.Unless