单项选择(说原因)The life we were used to _____ greatly since 1992.A.changeB.has changedC.changingD.have changed

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单项选择(说原因)
The life we were used to _____ greatly since 1992.
A.change
B.has changed
C.changing
D.have changed

B.has changed
The life (we were used to ) has changed greatly since 1992.
括号内是定语从句,不用管.
我们习惯的 那种生活,自从92年,已经大大地改变了.

B 因为已经变化了,所以用完成时。
因为life用的是单数,所以要用has changed

A 瞎蒙