他进步很快受到了表扬 He made such rapid progress was praised
他进步很快
He has made rapid progress.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
由于同志们的帮助，他进步很快。
Owing to the help from his comrades, he has made rapid progress.
《新英汉大辞典》
他进步很快。
他进步很快，老师表扬了他。
He made such rapid progress that he was praised by the teacher.
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