I was given three books on cooking, the first _ I really enjoyed. [

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I was given three books on cooking, the first _       I really enjoyed.       [     ]
A. of that
B. of which
C. that
D. which

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举一反三

All passengers have boarded    the train.  [     ]
A. on
B. to
C. of
D. /

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When everybody was              the ship sailed.  [     ]
A. above board
B. on the board
C. on board
D. on the aboard

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He is practicing every day,           preparation for the ice-skating championship.        [     ]
A. in
B. on
C. during
D. about

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People were shouting and cheering         gray abandon.    [     ]
A．at
B．to
C．with
D．in

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All I require        you is to support our project.    [     ]
A. for
B. of
C. to
D. from

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