On Sunday he goes with his family to a village---- country.

问题描述:

On Sunday he goes with his family to a village---- country.
A.into B.on
C.in D.at

答案:C(怀疑楼主漏打了一个the)
翻译:在周日,他和家人去了乡下的一个山村.
解释:固定短语in the country/countryside 在乡下,