Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.
The burning of fossil fuels emits harmful gases, people still use them for heating and cooking
A.for
B.and
C.so
D.but

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.
Carbon-dioxide traps in the atmosphere and increases global warming.
A.dirt
B.snow
C.heat
D.ice

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.
builds strong school communities through class blogs, discussion forums and videos.
A.Networking society
B.Social networking
C.Cyber bullying
D.Internet addiction

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.
A lack of numerical skills prevents people applying for better paid job or retraining.
A.with
B.in
C.for
D.from

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.
I to contact you for days but you seem to be elusive.
A.had been trying
B.was trying
C.have been trying
D.have tried

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.
John message when you saw him?
A.Did you give
B.Were you giving
C.Have you given
D.Had you given

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.
People are encouraged to take bottles to bottle-banks, and only shops in supermarkets which use packing.
A.environment-friendly
B.environmental-friendly
C.environmentally-friendly
D.friendly-environment

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.
Deforestation increases the evaporation of water from the ground _ can lead to extensive droughts.
A.which
B.who
C.that
D.whose

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.
Violence on TV can have a bad on children.
A.affect
B.consequence
C.influence
D.result

____(8. drive)
A.to drive
B.driven
C.driving
D.drive