翻译句子:学习一门外语是一项具有挑战的任务(it做主语)

Question

翻译:当他醒来时,发现自己躺在一张温暖的床上.(find oneself)

Answer 1

It is a challenging task To learn a foreign language.(具有挑战的=challenging，任务=task)

Answer 2

It is a challenging task(work,duty) to learn a foreign language.括号中的词可以替换。
He found himself was on a warm bed when he waked up.
When he waked up he found himself was on a warm bed.

Answer 3

It is a challenging task to learn a foreign language.

Answer 4

it is a challenging task to learn a foreign language 谢谢

Answer 5

It's a challange work to study a foreign language.