The students were studying in____________classroom when, all of ____________sudden,the lights went out.

A．不填;不填              B．a(chǎn);the         C．the;a         D．the；不填

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科目：高中英語(yǔ) 來(lái)源： 題型：

On the street I saw a studen _____ I thought was English.

　 A. whom 　 B. who

　 C. the one 　 D. he

 

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