Our teacher told us that () Moon moves around () Earth,and (

问题描述：

Our teacher told us that () Moon moves around () Earth,and () Earth circles () Sun
A.a/a/a/a B.an/an/an/an C.the/the/the/the D.不填/不填/不填/不填
亲,选哪个?

1个回答分类：英语 2014-11-18