— Tom is never late for work. Why is he absent today ?— Something _______ to him.
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A
must happen
B
should have happened
C
could have happened
D
must have happened
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Tom always feels it necessary that he ________English.
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A
learns
B
would have learned
C
learn
D
were to learn
Should the present unemployment continue, the society________a more troublesome situation.
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A
would have faced
B
would face
C
is facing
D
has faced
I enjoyed the movie very much. I wish I ______ the book from which it was made.
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A
have read
B
had read
C
should have read
D
am reading