The teacher said to the students, "complete your work". change into indirect speech​

Question Stimulus Out of the given options, choose the one which is the correct indirect speech of the sentence given below. The teacher said to the students, “If you do your best you will surely pass”.

Change into indirect speech The diector said to the students " tomorrow will be a fine day

Change into indirect speech. Mr. Thakur said to the students, "Respect yourself and you will be respected."

Question Stimulus:- Out of the given options, choose the one which is the correct indirect speech of the sentence given below. The teacher said to the student, “Why are you working so hard”?