British scientists have produced _____ they believe is the world’s smallest Christmas card．
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A
which
B
who
C
that
D
what
推荐题目
She is a woman of great knowledge, _______ much can be learned.
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A
in whom
B
about whom
C
of whom
D
from whom
In such hot weather the crops will have to be watered if they .
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A
have survived
B
are to survive
C
would survive
D
will survive
It was at the school _____ was named after a hero________ he spent his childhood.
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A
which, that
B
where, where
C
that, where
D
which, where
He asked me with me.
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A
what the matter is
B
what the matter was
C
what’s the matter
D
what was the matter