Daniel is the only one of the students in the class that never_____a mistake even when it is pointed out to him.

 Professor Smith, along with his assistants, _____on the Project day and night to meet the deadline.

The only means to achieve success ___ to appeal to arms.

The father as well as his three children ____ skating on the frozen river every Sunday afternoon in winter.

------Did you go to the show last night?------ Yeah． Every boy and every girl in the area ____ invited．