Ifwe__ourtesttomorrow,Iwouldhavegonetotheconcert. A.weren'ttohave
A.hadn't been to have B.aren't to have C.hadn't ha正确答案A
Ifwe__ourtesttomorrow,Iwouldhavegonetotheconcert. A.weren'ttohave
A.hadn't been to have B.aren't to have C.hadn't ha正确答案A