The school had promised to keep parents fully _____ about the conditions of their children at school...
2022-11-12 14:13:01 21次 2015届浙江省温州市十校联合体高三第一次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The school had promised to keep parents fully _____ about the conditions of their children at school.
A. inform B. informing
C. informed D. being informed
本题链接：
