Suggested answers
Suggested answers
an inventor / a scientist
in the United States / USA in 1847
Suggested answers
Answer the following questions. For the multiple choice questions, choose the most suitable options.
(Prompt: You can find clues in paragraph 2.)
(Prompt: You can find clues in paragraph 2.)
(Prompt: You can find clues in paragraph 3.)
(Prompt: You can find clues in paragraph 4.)
(Prompt: You can find clues in paragraph 3.)