I. There is one mistake in each sentence. Correct the mistake 1. We are going at the concert tonight. ........................................ 2. Water is boiling at 100 degrees Celsius ..................................... 3. Let"s go out now. It doesn"t rain now ........................................... 4. Minh learned to swim when he is a child. ............................................. 5 She is beling London at the moment. ........................................... 6. He taught in a school for deaf ........................................................ 7.My family moved to this city at 2005 ............................................. 8. They felt happily when thay got the good results ............................................. 9. When he hear the words, Watson rushes upstairs, run into Bell"s room, and shouted, "I heard you" ..................................