—Do we have to hold our English party in the classroom?

—Well, I don’t know ___________ if not here.

A. when can we do it                    B. when we can do it

C. where can we do it                    D. where we can do it

—Do you have to hold our English party in the classroom?
—Well. I don’t know ______if not there.

—Do you have to hold our English party in the classroom?

—Well. I don’t know ______if not there.

A．what can we do it                       B．when can we do it

C．where can we do it                      D．where we can do it

—Do you have to hold our English party in the classroom?
—Well. I don’t know ______if not there.

1. A.
   what can we do it
2. B.
   when can we do it
3. C.
   where can we do it
4. D.
   where we can do it