The author of the passage states that the amount of acid produced by the bacteria in your saliva increases .
A.with the amount of sweets you eat
B.with the number of times you eat sweets
C.if you eat sweets with your meals
D.if you eat sticky sweets

The word “them” in paragraph 2 refers to .
A.questions
B.answers
C.features
D.jobs

What can be concluded from the passage about sweets?
A.All sweets should be avoided.
B.Sweets should be eaten with care.
C.It is better to eat sweets a little at a time throughout the day.
D.Sticky sweets are less harmful than other sweets.

According to the passage, all of the following statements about plaque
A.It consists of acid producing bacteria
B.It is not affected by eating sweets
C.It can be removed from teeth by brushing and flossing
D.It reduces the positive effect of saliva

What does this passage mainly discuss?
A.Good nutrition
B.Food with fiber
C.ways to keep your teeth healthy
D.Fluoridization and cavities

(32)
A.why
B.if
C.that
D.what

(30)
A.As a result
B.Therefore
C.For example
D.Nevertheless

I had to clear the spare room before I could start decorating.
A.Not until had I cleared the spare room I could start decorating.
B.Before I cleared the spare room I could start decorating.
C.Only when I had cleared the spare room could I start decorating.
D.Only when I had finished clearing the spare room, I could start decorating.

Mark the letter A, B, C or D on your answer sheet to indicate the most suitable respone to complete each of the following exchanges.
Peter: “Oops, I’m terribly sorry!?”
Susan: “ .”
A.You’re welcome
B.That’s OK
C.That’s right
D.You’re right

Mark the letter A, B, C, D on your answer sheet to indicate the correct answer in each of the following questions:
Different conservation efforts_______ in order to save endangered species. have been done
A.have made
B.ave been made
C.have done
D.have been done