British scientists have produced ________ they believe is the world"s smallest C

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British scientists have produced ________ they believe is the world"s smallest Christmas card.[ ]
A. which
B. who
C. that
D. what

答案

举一反三

Many of the creatures in the movie Avatar are not real, but much of ________ happens is still attractive.[     ]
A. which
B. that
C. what
D. them

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When you rewrite the paragraph, I advise you to leave out ________ is thought unnecessary or
misleading. [     ]
A. what
B. that
C. these
D. which

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The headmaster decided to give the job to ________ he believed had a strong sense of duty.[ ]
A. who
B. whomever
C. whoever
D. those

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Playing QQ"s "Happy Farm" by planting, watering, fertilizing, harvesting and selling virtual (虚拟的)
vegetables, fruits and flowers, we can find out ________ all the excitement is about.[ ]
A. that
B. if
C. what
D. when

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Tired and disappointed, the rescue team finally reached ________ used to be a village.[     ]
A. where
B. that
C. when
D. what

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