Questions 1-4 refer to the following student essay.

How often do you like (1)... your cell phone at school? I enjoy (2)... my cell phone just like every other student, but I think they're very distracting. When teachers have to ask students to turn off their phones, it wastes a lot of time in class. The teachers have decided (3)... a program that will reward the students who never have their cell phone in class with prizes and candy. They think this will inspire everyone to leave their phones at home. To the students who already shut off their phones, you should keep (4)...!