A. destruction
B. consumption
C. pollution
D. solution
A. doing
B. trying
C. causing
D. making
A. eco-friendly
B. inappropriately
C. disappointingly
D. favourably
A. contaminated
B. disappeared
C. purified
D. endangered
A. global warming
B. preservation
C. protection
D. ecosystem
A. confusion
B. consumption
C. destruction
D. protection
A. term-time
B. full-term
C. long-term
D. short-time
A. destroying
B. polluting
C. degrading
D. preserving
A. biodiversity
B. ecosystem
C. environment
D. surrounding
A. told me
B. told to me
C. said me
D. says to me
A. does the train arrive
B. did the train arrive
C. whether the train arrives
D. if the train had arrived
A. was the timetable
B. the timetable is
C. the timetable has been
D. the timetable had been
A. don't watch
B. shouldn't watch
C. not to watch
D. not watching
A. there are
B. are there
C. there were
D. were there
A. goes around
B. is going around
C. had gone around
D. was going around
A. remember to plant
B. to plant
C. of flanting
D. not to forget to plant
A. yesterday afternoon
B. the day before
C. last week
D. the day before yesterday
A. have I reserved
B. if I have reserved
C. whether had I reserved
D. if I had reserved
A. paradise
B. pharmacy
C. holiday
D. computer
A. sunflower
B. victory
C. volunteer
D. tournament
A. resident
B. potato
C. banana
D. disaster
A. survival
B. triangle
C. proposal
D. arrival
A. diamond
B. animal
C. library
D. semester
A. memory
B. constancy
C. depletion
D. policy
A. emotion
B. average
C. bricklaying
D. lyrical
A. pollution
B. composer
C. atmosphere
D. confusion
A. waterfall
B. wilderness
C. quality
D. undertake
A. improvement
B. compliment
C. commitment
D. alignment
A. limited
B. renewable
C. available
D. non-renewable
A. generation
B. generated
C. generate
D. generates
A. engineer
B. energy
C. engineering
D. enegertic
A. providing - saving
B. providing - save
C. to provide - to save
D. to provide - save
A. unleaded
B. smokeless
C. solid
D. fossil
A. unlimited
B. renewable
C. available
D. non-renewable
A. traditional
B. alternative
C. revolutionary
D. surprising
A. exhaust
B. exhausting
C. exhaustion
D. exhaustive
A. endanger
B. endangered
C. danger
D. dangerous
A. established
B. collapsed
C. delayed
D. decreased
A. species
B. classes
C. being
D. pairs
A. was walking
B. has walked
C. had been walking
D. has been walking
A. disappear
B. extinct
C. dangerous
D. endangered
A. is going to be
B. was going to be
C. will be
D. can be
A. I feel safe when I travel by air.
B. I've never travelled by air because some times feel nervous
C. Travelling by air always makes me nervous
D. I always feel nervous, so I never travel by air.
A. Too many people came to the meeting
B. There were more people at the meeting than we had expected
C. We had expected more people to come to the meeting
D. There were not enough seats for all people as we had expected
A. Nancy used to walk farther.
B. Nancy doesn't like to walk so far
C. Nancy isn't accustomed to walking very far
D. Nancy needed help to walk so far.
A. I did forget your birthday
B. I am really sorry I forgot your birthday
C. I am not sorry at all because I remember your birthday
D. I never apologize for my forgetting birthday
A. the only
B. number
C. oxygen
D. its
A. approaches
B. the Earth
C. any other
D. is
A. as
B. poet
C. reached
D. the
A. The amounts
B. almost always
C. amount of
D. vary
A. frontiersman
B. most
C. of
D. hero
A. impact
B. animal
C. polar
D. land
A. threat
B. increase
C. release
D. easy
A. conserve
B. fossil
C. discuss
D. preserve
A. damage
B. area
C. contaminate
D. natural
A. contaminate
B. pollute
C. protect
D. deforest
A. fertilizer
B. ecosystem
C. agriculture
D. environment
A. machinery
B. independent
C. preservation
D. conservation
A. global
B. greenhouse
C. fuel
D. effect
A. diversity
B. biology
C. degradation
D. activity
A. aquatic
B. polluted
C. available
D. practical
A. actions
B. acts
C. impacts
D. forces
A. long-time
B. long-term
C. long-life
D. long- range
A. features
B. activities
C. abilities
D. facilities
A. experience
B. involve
C. take part in
D. affect
A. have increased
B. has increased
C. increase
D. will increase
A. soil
B. ground
C. habitat
D. park
A. so thick
B. too thick
C. thick enough
D. so much thick
A. happened
B. accompanied
C. gone
D. appeared
A. requests
B. asks
C. requires
D. depends
A. ecotype
B. ecotourism
C. ecoterrorism
D. ecosystem
A. too often
B. Its
C. short
D. your
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