前两句可以,第三句语法对,但意思上不合适.I wish后跟从句表示不可能发生的事情,如I wish I could fly

We all wish you a soon recovery.

Have you come back/returned to France?

I may come back in 3 weeks.

I hope that she can do the job, but she is not willing to.

个人认为,回国并不需要把“国”翻译出来.一个“回”就足够了