--- Do you know _____?

--- Next Sunday.

A. what they will do     B. what will they do

C. when will they come   D. when they will come

— 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

         —Hi, Daming. It’s said the famous singer will come to Tai’an. Do you know ______?          

—Next month.

A. when does he come                             B. when he comes

C. when will he come                              D. when he will come

 —Do you know ________?

—Next month.

A．When will they come                    B．when did they come

C．When they came                        D．when they will come

-- Do you know__________?

--- Next Friday.

A． when did the book come out              B．when the book came out

C． when will the book come out              D．when the book will come out