500
Teacher: Hello class! ___ Saleh here today?
Class: No, he _____. He has a doctor's appointment.
Teacher: ___ he okay?
Class: _____ fine. Don't worry, Ms. Mjelde.
Teacher: Hello class! Is _Saleh__ here today?
Class: No, he __isn't___. He has a doctor's appointment.
Teacher: _Is__ he okay?
Class: _He's____ fine. Don't worry, Ms. Mjelde.