Linyi isn’t what it used to be. The last decadegreat changes in the city image.A. witnesse

问题补充：

Linyi isn’t what it used to be. The last decadegreat changes in the city image.

A. witnessed

B. was witnessing

C. has witnessed

D. had witnessed

答案：

A. witnessed

B. was witnessing

(答案→)C. has witnessed

D. had witnessed

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