"The teacher made the students ___ the exercise." — सही शब्द चुनिए।

उत्तर: (B) do — Causative verbs: make, let, have + object + bare infinitive (without 'to'). "Made them do" (not "to do"). But: "forced them to do" (force takes 'to'). Get also takes 'to': "got them to do."