If you ____ hard, you ____ in the exam.
A.worked; wouldn't have failed B.had worked; wouldn't fail C.had worked; wouldn't have failed D.worked: wouldn't fail正确答案C
If you ____ hard, you ____ in the exam.
A.worked; wouldn't have failed B.had worked; wouldn't fail C.had worked; wouldn't have failed D.worked: wouldn't fail正确答案C