The students _______ busily when Miss Brown went to get a book she _______ in the office.
[     ]
A.  had written; left        
B.  were writing; has left  
C.  had written; had left    
D.  were writing; had left
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科目：高中英語 來源： 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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