Put the verbs into the correct forms. The teacher (come) into the classroom unusually early and one of the boys who was

 The teacher came (Present Simple) into the classroom unusually early and one of the boys who was smoking a cigarette, had (Present Simple) no time to put it out. So he threw (Present Simple) it into the desk and hoped (Present Simple) for the best. A little later the teacher noticed (Present Simple) a smoke rising from this desk.