Can I say,<br/><br/><br/> (a) John was <u>studying his homework</u>. <br/><br/><br/>(b) Suddenly, the light went out. It was dark.<br/><br/>(c) The light<u> </u>flickered for a while. Suddenly<u>, it / there was blackout.</u><br/> His house was dark and John was frightened.<br/><br/>