题目内容
-The accident might not have happened had we been more careful.
-But we ____________ at that time.
A.don’t B.didn’t C.hadn’t D.weren’t
D
|
题目内容
-The accident might not have happened had we been more careful.
-But we ____________ at that time.
A.don’t B.didn’t C.hadn’t D.weren’t
D
|