问题
选择题
The life we were used to __________ greatly since 1992.
A．change
B．has changed
C．changing
D．have changed
答案
B
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。
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The life we were used to __________ greatly since 1992.
A．change
B．has changed
C．changing
D．have changed
B
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。