Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
You _____ tell Sandra anything about our story. She _____ keep a secret.
A.had better not/ cannot
B.needn’t/ would rather not
C.ought to/ would not
D.do not have to/ should not

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
He is speaking English, but I think he _____ be Vietnamese, by judging by his accent.
A.will
B.could
C.would
D.should

Would you mind not ...................... on the radio until I've finished typing the document?
A.to turn
B.turning
C.being turned
D.to he turned

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
You _____ leave now if you wish.
A.have to
B.must
C.may
D.would

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Please make sure to water my plants while I am gone. If they don’t get enough water, they _____ die.
A.must
B.will
C.should
D.ought to

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It is hot in here. _____ you open the window a bit, please?
A.Could
B.Must
C.Should
D.Might

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
When I was five years old, I _____ read and write.
A.can
B.could
C.may
D.should

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
_____ you hold your breath for more than a minute? – Of course not.
A.Needn’t
B.Would
C.Might
D.Can

I don't suppose anyone will volunteer,............
A.won't they
B.will they
C.won't he
D.do I

Scientist, lia e supplied us ...............many achievements.
A.for
B.with
C.on
D.about