Examples:

• Well, I bet they're very busy inside.
• Sure you would, but they're very busy, and so am I.
• They've got very important jobs and they're very busy.
• Well, they're very busy, important people.
• Sir, they're very busy.
• Hurry up, they're very busy.
• They're very busy these days.
• They're very busy, I suppose./li>