Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Only after the teacher ______ the procedure clearly were the students allowed to go ahead with the experiment.
A.would explain
B.had explained
C.was explaining
D.has explained

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Her parents rarely let her stay out late, ______?
A.do they
B.don't they
C.does she
D.doesn't she

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
If our teacher were here now, he ______ us with this difficult exercise.
A.has helped
B.helps
C.will help
D.would help

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The boy denied ______ the cake even though there was some cream left on his chin.
A.to eat
B.eat
C.to eating
D.eating

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Participating in teamwork activities helps students develop their ______ skills.
A.social
B.society
C.socially
D.socialise

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
In most countries, photocopying books without the publisher's permission is clearly a copyright ______.
A.interference
B.interpretation
C.infringement
D.infliction

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Although she had been told quite sternly to ______ herself together, she simply couldn't stop the tears from flowing.
A.bring
B.pull
C.force
D.push

Choose the word which is stressed differently from the rest.
A.sentence
B.pointing
C.verbal
D.attract

Choose the word which is stressed differently from the rest.
A.whistle
B.table
C.someone
D.receive

________ (47)
A.apart from
B.instead of
C.without
D.hardly