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;
B:Although
C:Because
D:Unless;
正确答案是：
同类题型
How long _________ she __________ him — For five years.
Fifteen minutes I can spare to talk over this matter with you．
My father often tells me some jokes to makeme_________.
Shall Mary come to the concert with us？－Not_____she has finished her paper．
Did you go to Hainan Island for your vacation last month？—I to go， but I got sick at the last minute