"You are a teacher.When you went to classroom,you saw,that one student is crying.Помогите дописать эссе(на англ)

I asked him:" why are you crying? " He answered that he had hurt his knee. I told him to go to the school -doctor,but he could not go well. He asked me to let his friend go with him. Later I knew that the two friends weren't ready for the lesson. Since that time I don't believe them.