It was some time _____ I realised the fa
题型:选择题
问题:
It was some time _____ I realised the fact that life had become difficult for many villages in western Europe.
A.until
B.before
C.unless
D.since
It was some time _____ I realised the fact that life had become difficult for many villages in western Europe.
A.until
B.before
C.unless
D.since