呼救啊keep me (informing、informed)of any trouble you have (to study 、studying),will you?（怎么选啊,要确定答案）
问题描述：
呼救啊keep me (informing、informed)of any trouble you have (to study 、studying),will you?（怎么选啊,要确定答案）
答
informing,to study