题目内容
六.选择填空(15分)
1. Great changes ______ in China in the past 20 years.
| A．took place | B．have taken place | C．were taken place | D．have been taken place |
B
解析
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题目内容
六.选择填空(15分)
1. Great changes ______ in China in the past 20 years.
| A．took place | B．have taken place | C．were taken place | D．have been taken place |
B
解析