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    I was out of town at the time, so I don’t know exactly how it . A. was happening B. happened C. happens D. has happened [答案]B [解析]本题考查具体语境中的时态.后一句隐藏的时间状语是at the time. 【查看更多】

     

    题目列表(包括答案和解析)

    I was out of town at the time, so I don’t know exactly how it _______.

    A. was happening        B. happened       C. happens         D. has happened

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    I was out of town at the time, so I don’t know exactly how it _______. 

    A. was happening        B. happened       C. happens         D. has happened

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    I was out of town at the time, so I don’t know exactly how it _______. 

    A. was happening        B. happened       C. happens       D. has happened

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    I was out of town at the time, so I don’t know exactly how it _______.    
    A. was happening        B. happened       C. happens         D. has happened    
    

			
    
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     I was out of town at the time, so I don’t know exactly how it _______.
    A．was happeningB．happenedC．happensD．has happened
    

			
    
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