-How many students are there in your school?- ,I think.But I don't know the exact number.A.Thousand B.Thousands of C.Thousands D.Hundreds or thousands

问题描述:

-How many students are there in your school?- ,I think.But I don't know the exact number.
A.Thousand B.Thousands of C.Thousands D.Hundreds or thousands

B
上千个
如果thousand 和hundred 加了S就必须和of连用
(*^__^*)

B.Thousands of 不确定的数量 数词要加S

答案是B.thousands of 数千人,其中的of不能省略.
如果用A,就说 one thousand 一千人
如果用D,就说hundreds of thousands of 数以十万计