全民主监督、法律监督、舆论监督机制，（）互联网监督。
A、积极运用
B、合理运用
C、运用和推广
D、运用和规范
参考答案：D
Great changes __________ in this city over the past five years.
A．took place
B．have been taken place
C．were taken place
D．have taken place
自治州
