Born in Scotland in 1847, Alexander Bell became interested very early (1) …........…….. methods of human communication. He was influenced by his father and grandfather, who spend years working with deaf people and those with faulty (2) ……………… Bell’s father even go system so far as to develop a system of so- called “visible speech” for the (3) …………. . He used sketches of the different (4) ....………….. of the lips and tongue. This science of visible speech formed the foundation of young Bell’s knowledge of the mechanics of (5) .....………. speech. 1. A. on B. in C. at 2. A. speed B. speech C. sound 3. A. blind B. sick C. deaf 4. A. positions B. ways C. uses 5. A. man B. human’s C. human