he will be back in five days.改为问句( )( )( )he be back?the stu

he will be back in five days.改为问句( )( )( )he be back?the students will go back to schoolhe will be back in five days.改为问句( )( )( )he be back?the students will go back to school in 10 days改为问句（ ）（ ）（ ）the students ( )back to school?