Writing is tough work,but i am sure---- A worthwhile B worth it C is worth D is worth it答案选D但我选A到底什么为什么谢谢

life is so tough , tough tough tough tough tough tough tough tough climbing a mountain is hard wor Life is tough,you should be more tough.. Tough job,tough day,tough world.Life is not always sweet.That's life! Tough job,tough day,tough world.Life is not always sweet .That's life Writing is tough work,but i am sure---- A worthwhile B worth it C is worth D is worth it答案选D但我选A到底什么为什么谢谢 Writing is tough work,but i am sure it --- A worthwhile B worth it C is worth D is worth it答案选D我选c 该选什么为什么 tough is not enough 怎么翻译好? 英语翻译和It is a tough 翻译 life is tough,but we are tougher