Could you tell me________?

A. when did Tom come back?? B. when does Tom come back

C. when Tom will come back?? D. when Tom come back

--Could you tell me _______?

--Next week.

   A. when John will come back        B. when will John come back

   C. when John came back            D. when did John come back

— Do you know ______?

— Next Monday.

A．when will he come back                  B．when he will come back

C．when did he come back                  D．when he came back

Alice has gone to the classroom and she didn’t say ________.

A．when did she come back                  B．when would she be back

C．when she came back                     D．when she would be back

–Do you know __________tomorrow?

--At 8 o’clock.

A. when did Sally come   B. when Sally came

C. when will Sally come  D. when Sally will come