Mary always wanted to be a singer.(11) was the most important part in her life. Un-luckily, she had a (12) voice. Although she took lessons (13) many years, her voice didn't get better. It just got louder. Her teacher finally (14) teaching her, but she kept on practicing herself.One dayshedecided (15) a concert and invited her teacher to it. The teacher was very (16) about what to say after the concert. He knew it would be a (17). one. At last he got an idea. When the concert (18) , he went to see Mary. 'Well,' said Mary, 'What do you (19) my concert? 'My dear, said the teacher. 'You’ll never be (20) than you are tonight. ( )11.