14、—How did you know the details of that surprising news?

—I happened _________ the event then．

A．to be listening                                  B．to have covered

C．to be covering                                   D．to have listened

14、C

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科目：高中英語 來源： 題型：

—How did you know the details of that surprising news?

—I happened _________ the event then．

A．to be listening                                  B．to have covered

C．to be covering                                   D．to have listened

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科目：高中英語 來源： 題型：

—How did you know the details of that surprising news?

—I happened _________ the event then.

A. to be listening     B. to have covered   

C. to be covering     D. to have listened

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科目：高中英語 來源： 題型：

（2010·遼寧東北育才學校高三第一次模擬）    10、—How did you know the details of that surprising news?

—I happened _________ the event then.

A. to be listening     B. to have covered   

C. to be covering     D. to have listened

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