Last term our maths teacher set so difficult an examination problem _____ none of us worked it out.
#71998
A
that
B
as
C
so that
D
which
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____the sketch（short funny play） of Xiao Shenyang made a _____has been known to us all．
#69826
A
That; hit
B
What; strike
C
Why; beat
D
Which; knock
Some researchers believe that there is no doubt______a cure for AIDS will be found.
#67655
A
whether
B
that
C
what
D
which
______ , the idea of having to work under a woman defeated him.
#68083
A
Wanting the job very much
B
Although wanting the job badly
C
Though he wanted the job very much
D
He wanted the job badly