35.The students busily in the classroom when Miss Brown came in to get the book she . A.had written; left B.were writing; has left C.had written; had left D.were writing; had left 查看更多

 

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The students            busily in the classroom when Miss Brown came in to get the book she            .

A.had written; left                                          B.were writing; has left

C.had written; had left                                    D.were writing; had left

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