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    --When you to cough? --Two days ago . A. do; begin B. did; began C. did; begin D. do; begins 【查看更多】

     

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    --When __________you __________to cough?
    --Two days ago.
    A. do; begin   B. did ;began   C. did ;begin

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    --When __________you __________to cough?
    --Two days ago.
    A. do; begin   B. did ;began   C. did ;begin

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