It is necessary for him ___________ reading English every morning. A. keep B. to keep C. keeping D. ...
2023-01-17 21:00:00 104次 2014-2015学年甘肃嘉峪关第六中学八年级上期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
It is necessary for him ___________ reading English every morning.
A. keep B. to keep
C. keeping D. kept
本题链接：
