A. turn of
B. turn on
C. turn up
D. turn off
A. nature
B. structures
C. buildings
D. constructions
A. interested
B. excited
C. proud
D. keen
A. while
B. unless
C. if
D. since
A. at
B. between
C. in
D. with
A. making
B. take
C. make
D. taking
A. haven’t changed
B. don’t change
C. didn’t change
D. won’t change
A. hardly tried
B. tried hardly
C. hard tried
D. tried hard
A. who
B. whom
C. whose
D. that
A. That’s a fine day
B. That’s a good trip
C. Yes, please
D. Yes, let’s
A. answer
B. hidden
C. confidence
D. basis
A. born
B. shaped
C. begun
D. manufactured
A. came
B. to
C. this morning
D. still slept
A. didn't go
B. because of
C. the weather
D. awful
A. The
B. went
C. to
D. at
A. enjoys
B. to go
C. on
D. evenings
A. 1876
B. 1877
C. 1878
D. the article does not say
A. a telegraph repeater
B. a telegraph diaphragm
C. a telephone repeater
D. a telephone diaphragm
A. with a telephone needle and a recorder
B. from a recording of a telegraph
C. with only a telegraph repeater
D. from a combination of telephone & telegraph parts
A. Thomas Edison’s Many Inventions
B. Improvements in Telephone and Telegraph
C. The History of Menlo Park
D. A Surprise Invention
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