I can’t remember ________ made the teacher give Mary the permission to leave the class earlier.

 I can’t remember ________ made the teacher give Mary the permission to leave the class earlier.

 I can’t remember ________ made the teacher give Mary the permission to leave the class earlier.

 I can’t remember ________ made the teacher give Mary the permission to leave the class earlier.

 I can’t remember ________ made the teacher give Mary the permission to leave the class earlier.

I can’t remember _____ made the teacher give Mary the permission to leave the class earlier.

A. that it was what    B. what it was that    C. what was it that    D. that was it what

I can’t remember ________ made the teacher give Mary the permission to leave the class earlier.

1. A.
   that it was what
2. B.
   what it was that
3. C.
   what was it that
4. D.
   that was it what

I can’t remember _____ made the teacher give Mary the permission to leave the class earlier.

A. that it was what    B. what it was that    C. what was it that    D. that was it what

I can’t remember ______ made the teacher give Mary the permission to leave the class earlier.

A．that it was what                                  B．what it was that   

C．what was it that                       D．that was it what