Come to pick me up if _______

Daddy, would you buy me an ipod if I do well in this monthly exam?— I ________, I promise.[ ]

The young scientist has made such great achievements in his chosen field ______ nobody else can make.

．—MustI give the pen to the manager —No, you may give it to________youthink is on duty in the office ．

The new movie __ to be one of the biggest money-makers of all time