Fill in the blanks with the appropriate words: Jack always put off his homework because he wanted to watch television. At first his mother let him do this. However, after watching television, Jack __________ (NOT/WANT) to do anything either. He said: "I __________ (BE) too tired. I'll get up early tomorrow to do my homework". Naturally, the next day he __________ (WAKE) up late and went to school without doing his homework. At last his mother said: 'You can only watch TV when you've done your homework.' However, half an hour later, when she entered the room, she saw that Jack __________ (WATCH) TV! "I __________ (DO) my homework already!" Jack announced and turned back to the screen. His mum had a look at his exercise books. The homework was there, but it __________ (WRITE) carelessly and obviously contained lots of mistakes. "I wish Thomas Edison __________ (CAN) see how his invention affects some people." Jack's mother said. "Who's Thomas Edison?" asked Jack. "A great scientist. He studied electricity and he invented the light bulb to light our houses. Television wouldn't be possible without __________ (HE)." One day, in class, the teacher asked the students who Thomas Edison was. Jack answered at once: "He was the __________ (ONE) man who gave people the opportunity to watch television without candlelight."