.Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, _________ the number of people infected with the virus is going up sharply.
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A
when
B
that
C
so that
D
where
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$100 will allow a woman ________ is a trained tailor to make some income, ________ her and her family a better future.
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A
who; give
B
whom; give
C
who; giving
D
which; giving
At the beginning of a speech, it is very important to grab the audience’s attention and make them interested in ________you have to say.
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A
which
B
what
C
that
D
who
As a teacher, I seldom give my students so difficult a problem_______ they can’t work out.
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A
that
B
as
C
if
D
in order that
—The experiment is of particular importance. —I see. We will carry on with it ________ we can get enough money.
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A
unless
B
though
C
whether
D
until