28.Great changes ___ in the city,and a lot of factories ___.A .have been taken place; have been set upB .have taken place; have been set upC .have taken place; have set upD .were taken place; were set up

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28.Great changes ___ in the city,and a lot of factories ___.A .have been taken place; have been set upB .have taken place; have been set upC .have taken place; have set upD .were taken place; were set up
28.Great changes ___ in the city,and a lot of f
actories ___.
A .have been taken place; have been set up
B .have taken place; have been set up
C .have taken place; have set up
D .were taken place; were set up

28.Great changes ___ in the city,and a lot of factories ___.A .have been taken place; have been set upB .have taken place; have been set upC .have taken place; have set upD .were taken place; were set up
前一句主动后一句被动选B

答案:A