A. explore
B. enormous
C. become
D. engine
A. technology
B. technique
C. scholar
D. watch
A. bulb
B. umbrella
C. suppose
D. underground
A. precise
B. light
C. quality
D. science
A. come
B. came
C. is coming
D. had come
A. for
B. with
C. on
D. at
A. will know
B. know
C. did know
D. knew
A. imagine
B. imagining
C. imaginative
D. imaginary
A. are sitting
B. will be sitting
C. will sit
D. are going to sit
A. try
B. tried
C. have tried
D. am trying
A. scientist
B. scientific
C. science
D. scientifically
A. move
B. to move
C. moving
D. moved
A. to see
B. seeing
C. to seeing
D. seen
A. discovered
B. is discovered
C. had discovered
D. was discovered
A. as
B. though
C. whether
D. what
A. to keep
B. to come
C. to take
D. to have
A. are
B. be
C. is
D. has been
A. watches
B. had watched
C. watched
D. is watching
A. were
B. is
C. had been
D. was
A. tourist
B. touring
C. tour
D. tourism
A. in 1878
B. in 1847
C. in 1877
D. in 1500
A. at his school
B. in a company
C. in the city
D. in their basement
A. 3000
B. 1500
C. 1880
D. 1878
A. A brief history of the light bulb
B. The early life of Thomas Edison
C. Family of Thomas Edison
D. Thomas Edison’s company
A. Thomas Edison’s company
B. Thomas Edison’s patent
C. Thomas Edison’s invention
D. Thomas Edison’s discovery
A. communication
B. communicative
C. communicate
D. communicatively
A. see
B. seeing
C. seen
D. to see
A. but
B. so
C. And
D. yet
A. in
B. for
C. on
D. to
A. position
B. situation
C. condition
D. place
A. benefit
B. explore
C. rescue
D. legend
A. official
B. cultural
C. collapse
D. cure
A. improve
B. invent
C. language
D. typhoon
A. volcanic
B. eruption
C. tsunami
D. kangaroo
A. in
B. on
C. for
D. at
A. will have
B. is having
C. has had
D. will be having
A. strike
B. strikes
C. is striking
D. stroke
A. making
B. having
C. performing
D. carrying
A. but
B. and
C. so
D. or
A. science
B. scientist
C. scientific
D. scientifically
A. moreover
B. so
C. however
D. as a result
A. transformed
B. made
C. done
D. changed
A. office
B. officially
C. official
D. offices
A. interest
B. need
C. profits
D. benefit
A. is cooking
B. cook
C. cooks
D. has cooked
A. although
B. therefore
C. because
D. despite
A. is planted
B. plants
C. be planted
D. planting
A. have worked
B. work
C. am working
D. worked
A. in
B. of
C. with
D. for
A. poison
B. social
C. snail
D. state
A. patent
B. parent
C. patient
D. planet
A. impair
B. unhurt
C. effect
D. insect
A. explorer
B. accurate
C. unhealthy
D. eruption
A. reusing
B. reducing
C. refilling
D. recycling
A. is always going
B. always going
C. goes always
D. always goes
A. design
B. designed
C. was designed
D. was designing
A. like
B. as
C. to
D. in
A. Did you hear
B. Do you hear
C. Have you heard
D. You heard
A. as a result
B. due to
C. because
D. so
A. I am looking forward to hearing from you soon.
B. I am looking forward to hear from you soon.
C. So am I looking forward to hear from you soon.
D. I look forward to hear from you soon.
A. Tsunamis also referred to the public as tidal waves.
B. Tsunamis also refer to the public as tidal waves.
C. Tsunamis is also referred as the public as tidal waves.
D. Tsunamis are also referred to the public as tidal waves.
A. were walking / saw
B. walking / seeing
C. were walking/ were seeing
D. walked/ were seeing
A. for
B. from
C. since
D. until
A. invention
B. discoveries
C. study
D. calls
A. Lan asked Viet if Viet could lend her his ruler.
B. Viet asked whether he could borrow Lan’s ruler.
C. Viet wanted to lend Lan his ruler.
D. Lan wanted to borrow Viet’s ruler.
A. careless
B. carelessly
C. careful
D. carefully
A. methods
B. means
C. forms
D. ways
A. advanced
B. high
C. simple
D. basic
A. on
B. out
C. for
D. in
A. opened
B. closed
C. been opened
D. been closed
A. channel
B. discussion
C. cyber
D. media
A. accent
B. cattle
C. kangaroo
D. parade
A. haunt
B. hour
C. help
D. hold
A. jubilee
B. absentee
C. devotee
D. referee
A. Chinese
B. coffee
C. trainee
D. trustee
A. has to return
B. has to be returned
C. has to been returned
D. has is returned
A. national
B. international
C. cultural
D. multicultural
A. This house was bought by my father 2 years ago.
B. This house bought by my father 2 years ago.
C. This house were bought 2 years ago.
D. This house 2 years ago is bought by my father.
A. access
B. message
C. language
D. landline
A. erupt
B. disaster
C. scatter
D. worker
A. forest
B. erupt
C. rescue
D. worker
A. victim
B. damage
C. bury
D. devide
A. droughts
B. forests
C. damages
D. volcanoes
A. wash
B. is washing
C. washed
D. was washing
A. will protect
B. protect
C. are protected
D. will be protected
A. down
B. out
C. off
D. with
A. evacuate
B. evacuating
C. evacuated
D. to evacuate
A. scientific
B. enormous
C. precise
D. technical
A. “Reducing”
B. “Recycling”
C. “Reusing”
D. “Reordering”
A. a tsunami
B. a tornado
C. an earthquake
D. a forest fire
A. two
B. three
C. four
D. five
A. 8,800
B. 23,000
C. 88,000
D. 2,300
A. It was safe
B. It was destroyed
C. It was moved away
D. It wasn’t exist
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