Great changes ________ in the city, and a lot of factories ________.
A.havebeentakenplace;havebeensetupB.havetakenplace;havebeensetupC.havetakenplace;have...
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 展开
B. have taken place; have been set up
C. have taken place; have set up
D. were taken place; were set up 展开
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答案B
前一空用现在完成时是因为“变化”在过去发生，并持续到现在并可能持续下去。注意，take place无被动式，因此可排除A、D两项；后一空用现在完成时，根据意义用被动语态。
前一空用现在完成时是因为“变化”在过去发生，并持续到现在并可能持续下去。注意，take place无被动式，因此可排除A、D两项；后一空用现在完成时，根据意义用被动语态。
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