Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
Extinction means a situation _______ a plan, an animal or a way of life etc … stops existing.
A.to which
B.in which
C.on which
D.for which

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
As I was walking along the street, I saw _______ $10 note on _______ pavement.
A.a/the
B.the/the
C.a/a
D.the/a

Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
Publishing in the UK, the book has won a number of awards in recent regional book fairs.
A.publishing in the
B.has won
C.in
D.book fairs

In order to avoid boredom. the most important thing is to keep oneself______
A.occupation
B.occupied
C.occupant
D.occupational

Study harder______
A.if you will pass the exam
B.and you pass the exam
C.unless you pass the exam
D.or you won‘t pass the exam

Potential dehydration is______ that a land animal faces.
A.the often greatest hazard
B.the greatest often hazard
C.often the greatest hazard
D.often the hazard greatest

______the students here are serious about studying.
A.Most
B.Almost
C.Almost of
D.Most of

You will not succeed_______ working harder.
A.unless
B.if
C.without
D.although

You _____the washing up. l could have done it to you
A.hadn't to do
B.needn’t have done
C.couldn’t have done
D.mustn’t have done

(46)
A.use
B.used
C.to use
D.using