Great changes ___ in my hometown and a lot of factories _______.

1. A.
   have been taken place , are being set up
2. B.
   have taken place , have been set up
3. C.
   are taken place , had been set up
4. D.
   had taken place , will be set up

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

 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

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

Great changes ___ in my hometown and a lot of factories _______.