问题：
[单选] In the last few years，there________great changes in the country．
A . had been
B . were
C . have been
D . has been
正确答案：C
参考解析：“in the past／last…”用现在完成时态，There is／are…的现在完成时态是There have／has been．．．
问题：
[单选] In the last few years，there________great changes in the country．
A . had been
B . were
C . have been
D . has been
正确答案：C
参考解析：“in the past／last…”用现在完成时态，There is／are…的现在完成时态是There have／has been．．．
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