the man was grateful 什么mr li 什么his help 两个用什么介词
问题描述:
the man was grateful 什么mr li 什么his help 两个用什么介词
答
be grateful to sb.for sth.
因某事而对某人感激
单用的话
be grateful for是“为...
be grateful to
所以
The man was grateful to mr li for his help .