i am__to my parents for all that they have done for me应该填哪个单词

问题描述:

i am__to my parents for all that they have done for me应该填哪个单词

grateful

grateful我感谢父母为我所做的一切

后面是 to ,所以只能用grateful .我感谢父母为我所做的一切.

thankful/grateful 感激