On March 3, 1847, Alexander G. Bell was born in _____.

In the 1870s, Alexander G. Bell _______ to Canada, then to the USA.

Alexander G. Bell first moved to _____, and then to the USA in the 1870s.

At Boston University, Alexander G. Bell experimented with _______ speech over a long distance.

In America, Alexander G. Bell worked with people who could not ______.

• speak or hear

• walk

• see or hear

• smell

Thomas Watson was Alexander G. Bell's _____.

• best friend

• partner

• assisstant

Alexander G. Bell first introduced the telephone in _____.

• 1847

• 1870

• 1877

• 1876

Tìm từ đồng nghĩa với từ được gạch dưới: Bell demonstrated his invention at countless exhibitions.

• many

• few

• one

• ten

True or False: Alexander Graham Bell invented the telephone on his own without any assistance.

• True

• False

True or False: To create the telephone, Alexander G. Bell conducted only a few experiments.

• True

• False