Great changes ____(take) place in 100 years.

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Great changes ____(take) place in 100 years.
Great changes ____(take) place in 100 years.

Great changes ____(take) place in 100 years.
will take in 100 years.是100以后是用将来时态

have taken

根据后面的 in 100 years的可知应该用现在完成时,又因为changes是复数,所以
have taken