问题
选择题
9. Great changes ______ in our school in the past 5 years.
A．took place
B．were taken place
C．have taken place
D．have been taken place
答案
答案：C
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9. Great changes ______ in our school in the past 5 years.
A．took place
B．were taken place
C．have taken place
D．have been taken place
答案：C