来自匡定波的问题
【（初中英语）Theearthisyearsold.[]要解析Theearthisyearsold.[]A.fourthousandssixhundredsB.fourthousandsixhundredC.fourthousandandsixhundredmillionD.fourthousandsixhundredmillions】
（初中英语）Theearthisyearsold.[]要解析
Theearthisyearsold.
[]
A.fourthousandssixhundreds
B.fourthousandsixhundred
C.fourthousandandsixhundredmillion
D.fourthousandsixhundredmillions
