Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 6 to 30.
We should avoid _____ our environment
A.polluted
B.polluting
C.pollute
D.to pollute

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 6 to 30.
_____ that we stop for a rest.
A.But we were tired
B.So tired were we
C.However we were tired
D.Therefore, we were tired

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 6 to 30.
Education in many countries is compulsory _____ the age of 16.
A.for
B.when
C.until
D.forwards

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the rest in the position of the main stress in each of the following questions from 3 to 4.

A.definition
B.production
C.situation
D.politician

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the rest in the position of the main stress in each of the following questions from 3 to 4.

A.intervention
B.necessary
C.intellectual
D.productivity

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the rest in the position of the main stress in each of the following questions from 3 to 4.

A.nation
B.process
C.themselves
D.provide

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from pronunciation in each of the following questions from 1 to 2.

A.difficulties
B.enriches
C.classes
D.enlarges

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from pronunciation in each of the following questions from 1 to 2.

A.tombs
B.lambs
C.brakes
D.invites

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 6 to 30.
There is one person to _____ I owe more than I can say.
A.whom
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 questions from 6 to 30.
I love _____films but I seldom find time to go the cinema
A.see
B.saw
C.seen 
D.seeing