Put the events in the correct order
Alexander Graham Bell .......
a) went to live in the United states .
b) succesfully demonstrated his invention
c)worked with Thomas Watson
d) was born in Scotland
e) went to live in Canada
f)invented the telepphone
g) worked with people who could neither speak nor hear
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1.d ; 2.e ; 3. a ; 4.g ; 5. c ; 6.f ; 7.b
The correct events : b , d , f , g