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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 【查看更多】

     

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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

    查看答案和解析>>

    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 happeningB．happenedC．happensD．has happened
    

			
    
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