--- The accident might not have happened
题型:选择题
问题:
--- The accident might not have happened , had we been more careful .
--- But we _______.
A.didn’t
B.hadn’t
C.weren’t
D.don’t
--- The accident might not have happened , had we been more careful .
--- But we _______.
A.didn’t
B.hadn’t
C.weren’t
D.don’t