thanks to her ,her __(improve)the environment of our city recentlyrecentiy是现在完成时的标志

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thanks to her ,her __(improve)the environment of our city recentlyrecentiy是现在完成时的标志

thanks to her ,her __(improve)the environment of our city recentlyrecentiy是现在完成时的标志
thanks to her ,her __(improve)the environment of our city recently
recentiy是现在完成时的标志

thanks to her ,her __(improve)the environment of our city recentlyrecentiy是现在完成时的标志
improving
因为后面接的是名词,应是improve the environment,而由于前面有个her,所以要用动名词
不过你确定是her而不是she吗?如果是she的话,那就是 has improved

improving

improvement

你的问题错没?her换为she吧
我认为has improved