The country life he is used to _______ greatly since 1992.

问题描述:

The country life he is used to _______ greatly since 1992.
A.change B.has changed C.changing D.have changed

The country life he is used to _______ greatly since 1992.
选B
【since+时间点】用现在完成时
有因为主语是【The country life】,所以谓语动词用has
有不会的可以再问我