Definition: feeling or showing thanks Level: B1
我对你所有的帮助真的非常感激。
I'm really ___grateful to you for all your help.
如果你能立即把书寄给我，我将不胜感激。
I would be most ___grateful if you would send me the book immediately.
我对那些建立了俱乐部的男孩们心存感激。
I'm ___grateful to the boys who established the club.
