问题
Great changes _________ in my hometown and a lot of factories ___________
A:have been taken place; are being set up
B:have taken place ; have been set up
C:are taken place ; had been set up
D:had taken place; will be set up
B:have taken place ; have been set up
C:are taken place ; had been set up
D:had taken place; will be set up
正确答案是：
同类题型
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