Choose the most suitable word to complete the passage

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A. Choose the most suitable word to complete the passage.
(1)
(2)
and grandfather, who (3)
faulty (4)
“visible speech" for the (5)_
the lips and tongue. This science of visible speech (7).
young Bell's knowledge of the mechanics of (8)
1. а. Веar
in Scotland in 1847, Alexander Bell became interested very early
methods of human communication. He was influenced by his father
years working with deaf people and those with
Bell's father even go so far as to develop a system of so-called
of
He used sketches of the different (6).
the foundation of
speech.
d. Born
b. Bearing
c. To bear
b. at
d. in
2. a. to
3. a. spent
4. a. speed
5. a. dead
6. a. positions
7. a. found
8. a. man's
C. on
c. arranged
c. voice
b. took
d. decided
b. speech
d. sound
C. deaf
C. uses
b. blind
d. sick
d. directions
d. formed
b. ways
c. had
c. human's
b. led
b. human
d. man