Question

用英语翻译下列句子

2008年4月9日在北京大学用流利的汉语做了40分钟左右的演讲，对中国过去30年所发生的巨大变化给予高度赞扬。

Answer 1

On 9th April 2008, (XX) made a forty-minute-or-so speech in fluent Chinese at Beijing University, highly praising the great changes taking place in China over the past three decades.

Answer 2

On April 9th, 2008 at the Beijing University, approximately 40 minutes of fluent Chinese was used to give a speech which highlighted and praised China's enormous change over these past 30 years.

Answer 3

He delivered a forty-minute speech in fluent Chinese on April 9th, 2008, Peking University, and spoke highly of the great changes that China has undertaken over the past 30 years.