Classroom language

I'll call the register and (in) that way begin to know you. I haven't filled in the register. I'll just mark the register. Is everybody present now? Are you all here? Where are the others?

• I'll call the register and (in) that way begin to know you. I haven't filled in the register. I'll just mark the register. Is everybody present now? Are you all here? Where are the others?

• Who isn't here? How many people are absent? Five? That's rather a lot. I wonder what's wrong with them? What's wrong with her? Or: What's up with her? Is anyone going to see her to day?
• "Who's the class monitor this week?"