分类：教育/科学-学习帮助
问题：初二英语句型转换1.It's_about_300_kilomet 
句型转换1.It's _about_300_ kilometers f Beijing to Shijiazhuang.(对画线部分提问)___ ____ ____ is it from Beijing to Shijiazhuang?2.-- what's that?  -- It's an empty____.(变成复数句)  -- What ___ ___?  -- ____ ____ empty ____.3.John went to see his grandfather _once_a_week_._(对画句型转换1.It's _about_300_ kilometers f Beijing to Shijiazhuang.(对画线部分提问)___ ____ ____ is it from Beijing to Shijiazhuang?2.-- what's that?  -- It's an empty____.(变成复数句)  -- What ___ ___?  -- ____ ____ empty ____.3.John went to see his grandfather _once_a_week_._(对画线部分提问)_____ ____ ____ John go to see his grandfather?4.It's a box.(变成复数句)____ ____ ___.
回答：1.It's _about_300_ kilometers from Beijing to Shijiazhuang.(对画线部分提问)
_How__ __many__ __kilometers __ is it from Beijing to Shijiazhuang?
2.-- what's that?
  -- It's an empty__bottle__.(变成复数句)
  -- What _are__ _those__?
  -- __They__ ___are_ empty __bottles__.
3.John went to see his grandfather _once_a_week_._(对画线部分提问)
___How__ _often___ _did___ John go to see his grandfather?
4.It's a box.(变成复数句)
__They__ _are___ _boxes__.