1.

Change the voiceThe invigilator was reading out the instructionsa. The instructions were read by the invigilator.o.The instructions were being read out by the invigilac. The instructions had been read out by the invigilatd. The instructions had been read by the invigilator

Answer» <p>option B is the answer.The instructions were being read out by the invigilator. </p>


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