A. off
B. up
C. by
D. on
A. Would /do
B. Did/do
C. Was/done
D. Had/been done
A. must be taken
B. mustn’t be taken
C. needn’t take
D. will not take
A. haven’t met
B. wasn’t met
C. hadn’t met
D. didn’t meet
A. had done
B. would do
C. did
D. have done
A. ought
B. may
C. might
D. must
A. Moreover
B. So
C. Therefore
D. However
A. gooder seats
B. the better seats
C. the gooder seats
D. better seats
A. off
B. up
C. out
D. away
A. up
B. off
C. down
D. on
A. environments
B. features
C. resources
D. disasters
A. source
B. kind
C. resource
D. sort
A. defeat
B. heat
C. meat
D. great
A. worked
B. stopped
C. opened
D. washed
A. office
B. begin
C. destroy
D. complain
A. labour
B. formal
C. dangerous
D. effective
A. so no one could answer it
B. therefore no one could answer it
C. however everyone could answer it
D. but no one could answer it
A. Although cars cause pollution
B. Because cars are the reason for pollution
C. So that cars can cause pollution
D. Because of the cars’pollution
A. when I’ll finish the work.
B. as soon as I will finish writing a report.
C. until I have finished writing a report.
D. until I will finish the work
A. the more accidents will take place on it.
B. many accidents will happen on it.
C. the narrowest accidents will take place on it.
D. the more will accidents happen on it.
A. You mustn’t help me
B. You needn’t help me
C. You can’t help me
D. You are not allowed to help me
A. the
B. difficult
C. but
D. easily
A. Whenever
B. will come
C. always brings
D. present
A. The more
B. use
C. the more high
D. will be
A. very
B. because
C. went to bed
D. in the middle of it
A. attractive
B. have given
C. since
D. from
A. every year
B. every two years
C. every decade
D. every century
A. to introduce the WWF
B. to persuade people to prevent the tropical forests’ destruction
C. to tell the way how to keep water clean
D. to explain what the greenhouse means
A. The total area of the tropical forests is twice as large as Australia.
B. They are in danger.
C. They have provided us with many useful things.
D. They slow down the greenhouse effect.
A. giving little money to protect forests.
B. giving aid to protect forests.
C. encouraging the government to cut as many trees as they like.
D. paying no attention to forests
A. That is right
B. Yes
C. No problem
D. In my opinion
A. It’s nice of you to say so
B. Not yet
C. What nonsense!
D. Don’t mention it.
A. economic
B. economically
C. economical
D. economy
A. information
B. informative
C. inform
D. informant
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