问题
The country life we ______. The differences between rural and urban areas are disappearing.
A:were used to have changed
B:used to change
C:used to changing
D:were used to has changed
B:used to change
C:used to changing
D:were used to has changed
正确答案是：
同类题型
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Look! It ____ hard now. You’d better wait for a while until it stops.
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________ seems that Mary has known that bad news.
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