While waiting for these people to come, William looked after his 18–month– old sister. When ambulance man Steve Lyn went to the house, he was amazed. 'It's great that a young boy of six knew

While waiting for these people to come, William looked after his 18–month– old sister. When ambulance man Steve Lyn went to the house, he was amazed. 'It's great that a young boy of six knew the right number to dial, and was able to give us the correct information. (3)______ of William's quick thinking, we were able to (4)______ there immediately."