Some researchers believe that there is no doubt _______ a cure for AIDS will be found.
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A
which
B
that
C
what
D
whether
推荐题目
The film Twilight, _______ leading characters are Bella and Edward, is a great hit.
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A
who
B
whose
C
which
D
when
Today, we will begin ________ we stopped yesterday so that no point will be left out.
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A
when
B
where
C
how
D
what
Please remind me ______ he said he was going. I may be in time to see him off.
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A
when
B
where
C
how
D
what
________the American economy expanded at an annual rate of 2.5 percent in July—September, it faced a long road to recovery.
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A
Since
B
If
C
While
D
When
The notice came around two in the afternoon ________ the meeting would be postponed.(2012·江苏)
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A
when
B
that
C
whether
D
how