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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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