1Will you please not go to sleep when you're on duty?

1Will you please not go to sleep when you're on duty?
Will you please_____ _____when you're on duty?
2Sue argued with me about if students should take cell phones to campus .
Sue_____ _____ ____with me about of students should take cell phones to campus.
3Sometimes it's hard for them to tell what is right and what is wrong
Sometimes it's hard for students to _____right_____wrong.
4 If you're bored about cooking let's talk about something else
If you're bored about cooking let's_____ _____ _____