The life we were used to greatly since 1992.A. changeB. has changedC. changingD. have cha

问题补充：

The life we were used to greatly since 1992.

A. change

B. has changed

C. changing

D. have changed

答案：

A. change

(答案→)B. has changed

C. changing

D. have changed

解析：考查时态。句意：我们过去习惯的生活自1992年以来，已经发生了巨变。有since 1992.，故主句中用现在完成时。