Question

英语翻译句子十年前，当他还是一名学生的时候，他很努力的学习

Answer 1

Ten years ago, when he was still a student, he worked very hard to learn

Answer 2

Ten years ago,when he was still a student,he studied very hard.

Answer 3

He worked very hard 10 years ago when he was a student.

Answer 4

He worked hard very much when was a student ten years ago.