You ____ if you had spoken the truth out. But you were as quiet as a mouse.

1. A.
   mustn’t have been blamed
2. B.
   shouldn’t be blamed
3. C.
   wouldn’t have been blamed
4. D.
   couldn’t be blamed

9．You_______if you had spoken the truth out. But you were as quiet as a mouse.

       A．mustn’t have been blamed      B．shouldn’t be blamed

       C．wouldn’t have been blamed    D．couldn’t be blamed

You ____ if you had spoken the truth out. But you were as quiet as a mouse.

         A．mustn’t have been blamed        B．shouldn’t be blamed

         C．wouldn’t have been blamed      D．couldn’t be blamed

You          if you had spoken the truth out. But you were as quiet as a mouse.

A．mustn’t have been blamed                           B．shouldn’t be blamed

C．wouldn’t have been blamed                          D．couldn’t be blamed

9．You_______if you had spoken the truth out. But you were as quiet as a mouse.