4.Occasions are quite rare ______ I have the time to spend a day with the kids.
#74682
A
who
B
which
C
why
D
when
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Eleven people got killed in the accident, ________ the identities haven't been available.
#67180
A
whose
B
of whom
C
to whom
D
with whom
They are always ready to give the vacant seats to _______ comes first.
#72387
A
who
B
whom
C
whoever
D
whomever
You can do it ______ you like; it really doesn’t matter.
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A
whatever
B
however
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whoever
D
whichever
-- The thread of my kite broke and it flew away. -- I had told you it would easily break_______ it was the weakest.
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A
when
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since
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unless
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where
Some researchers believe that there is no doubt _______ a cure for AIDS will be found.
#67941
A
which
B
that
C
what
D
whether